diff --git a/1000-hours/.vitepress/config-old.mts b/1000-hours/.vitepress/config-old.mts
new file mode 100644
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+++ b/1000-hours/.vitepress/config-old.mts
@@ -0,0 +1,714 @@
+import { defineConfig } from "vitepress";
+import { withMermaid } from "vitepress-plugin-mermaid";
+import footnote from "markdown-it-footnote";
+import sup from "markdown-it-sup";
+import sub from "markdown-it-sub";
+import mark from "markdown-it-mark";
+import ins from "markdown-it-ins";
+
+// import markdownit from 'markdown-it'
+
+export default withMermaid(
+  // https://vitepress.dev/reference/site-config
+  defineConfig({
+    title: "1000 小时",
+    description: "用注意力填满 1000 小时就能练成任何你需要的技能……",
+    head: [
+      [
+        "script",
+        {
+          async: "",
+          src: "https://www.googletagmanager.com/gtag/js?id=G-Z2QZPX3T9W",
+        },
+      ],
+      [
+        "script",
+        {},
+        `window.dataLayer = window.dataLayer || [];
+        function gtag(){dataLayer.push(arguments);}
+        gtag('js', new Date());
+        gtag('config', 'G-Z2QZPX3T9W');`,
+      ],
+      ["link", { rel: "icon", href: "/images/clock.svg" }],
+    ],
+    themeConfig: {
+      // https://vitepress.dev/reference/default-theme-config
+      nav: [
+        { text: "Home", link: "/" },
+        { text: "Enjoy App", link: "/enjoy-app/", activeMatch: "/enjoy-app/" },
+      ],
+
+      search: {
+        // provider: 'local'
+        provider: "algolia",
+        options: {
+          appId: "KKK8CORNSR",
+          apiKey: "d613ff31a535ff1e9535cf9c88ec420a",
+          indexName: "1000h",
+        },
+      },
+
+      sidebar: {
+        "/": [
+          {
+            text: "简要说明",
+            collapsed: true,
+            link: "/intro",
+            items: [
+              { text: "1. 要不要健脑？", link: "/why" },
+              { text: "2. 什么最健脑？", link: "/what" },
+            ],
+          },
+          {
+            text: "训练任务",
+            collapsed: true,
+            items: [
+              { text: "1. 启动任务", link: "/training-tasks/kick-off" },
+              { text: "2. 训练方法", link: "/training-tasks/procedures" },
+              {
+                text: "3. 人工智能",
+                collapsed: false,
+                link: "/training-tasks/ai",
+                items: [
+                  {
+                    text: "3.1. 基础语言能力",
+                    link: "/training-tasks/language",
+                  },
+                  {
+                    text: "3.2. 成年人的困境",
+                    link: "/training-tasks/predicaments",
+                  },
+                  {
+                    text: "3.3. 人工智能辅助",
+                    link: "/training-tasks/revolution",
+                  },
+                  { text: "3.4. 任务并不高级", link: "/training-tasks/ground" },
+                  { text: "3.5. 效果非常惊人", link: "/training-tasks/wonder" },
+                ],
+              },
+              { text: "4. 意料之外", link: "/training-tasks/surprise" },
+            ],
+          },
+          {
+            text: "语音塑造",
+            link: "/sounds-of-american-english/1-basics",
+            collapsed: true,
+            items: [
+              {
+                text: "1. 基础",
+                collapsed: true,
+                link: "/sounds-of-american-english/1-basics",
+                items: [
+                  {
+                    text: "1.1. 字母",
+                    link: "/sounds-of-american-english/1.1-alphabet",
+                  },
+                  {
+                    text: "1.2. 音素",
+                    link: "/sounds-of-american-english/1.2-phonemes",
+                  },
+                  {
+                    text: "1.3. 口音",
+                    link: "/sounds-of-american-english/1.3-accents",
+                  },
+                  {
+                    text: "1.4. 器官",
+                    link: "/sounds-of-american-english/1.4-articulators",
+                  },
+                ],
+              },
+              {
+                text: "2. 详解",
+                collapsed: true,
+                link: "/sounds-of-american-english/2-details",
+                items: [
+                  {
+                    text: "2.1. 元音",
+                    collapsed: true,
+                    link: "/sounds-of-american-english/2.1-vowels",
+                    items: [
+                      {
+                        text: "2.1.1. 口型",
+                        link: "/sounds-of-american-english/2.1.1-lips",
+                      },
+                      {
+                        text: "2.1.2. 舌位",
+                        link: "/sounds-of-american-english/2.1.2-tongue",
+                      },
+                      {
+                        text: "2.1.3. ʌ/ɑː/ɑːr",
+                        link: "/sounds-of-american-english/2.1.3-ʌ",
+                      },
+                      {
+                        text: "2.1.4. e/æ",
+                        link: "/sounds-of-american-english/2.1.4-e",
+                      },
+                      {
+                        text: "2.1.5. ə/ɚ/ɝː",
+                        link: "/sounds-of-american-english/2.1.5-ə",
+                      },
+                      {
+                        text: "2.1.6. ɪ/i/iː",
+                        link: "/sounds-of-american-english/2.1.6-i",
+                      },
+                      {
+                        text: "2.1.7. ʊ/u/uː",
+                        link: "/sounds-of-american-english/2.1.7-u",
+                      },
+                      {
+                        text: "2.1.8. ɑː/ɔː/ɔːr",
+                        link: "/sounds-of-american-english/2.1.8-ɔ",
+                      },
+                      {
+                        text: "2.1.9. aɪ... əʊ",
+                        link: "/sounds-of-american-english/2.1.9-aɪ",
+                      },
+                      {
+                        text: "2.1.10. ɤ",
+                        link: "/sounds-of-american-english/2.1.10-ɤ",
+                      },
+                    ]
+                  },
+                  {
+                    text: "2.2. 辅音",
+                    collapsed: true,
+                    link: "/sounds-of-american-english/2.2-consonants",
+                    items: [
+                      {
+                        text: "2.2.1. 分类",
+                        link: "/sounds-of-american-english/2.2.1-categorization",
+                      },
+                      {
+                        text: "2.2.2. p/b",
+                        link: "/sounds-of-american-english/2.2.2-pb",
+                      },
+                      {
+                        text: "2.2.3. t/d",
+                        link: "/sounds-of-american-english/2.2.3-td",
+                      },
+                      {
+                        text: "2.2.4. k/g",
+                        link: "/sounds-of-american-english/2.2.4-kg",
+                      },
+                      {
+                        text: "2.2.5. f/v",
+                        link: "/sounds-of-american-english/2.2.5-fv",
+                      },
+                      {
+                        text: "2.2.6. s/z",
+                        link: "/sounds-of-american-english/2.2.6-sz",
+                      },
+                      {
+                        text: "2.2.7. θ/ð",
+                        link: "/sounds-of-american-english/2.2.7-θð",
+                      },
+                      {
+                        text: "2.2.8. ʃ/ʒ",
+                        link: "/sounds-of-american-english/2.2.8-ʃʒ",
+                      },
+                      {
+                        text: "2.2.9. h",
+                        link: "/sounds-of-american-english/2.2.9-h",
+                      },
+                      {
+                        text: "2.2.10. tʃ/dʒ",
+                        link: "/sounds-of-american-english/2.2.10-tʃdʒ",
+                      },
+                      {
+                        text: "2.2.11. tr/dr",
+                        link: "/sounds-of-american-english/2.2.11-trdr",
+                      },
+                      {
+                        text: "2.2.12. ts/dz",
+                        link: "/sounds-of-american-english/2.2.12-tsdz",
+                      },
+                      {
+                        text: "2.2.13. m, n, ŋ",
+                        link: "/sounds-of-american-english/2.2.13-mnŋ",
+                      },
+                      {
+                        text: "2.2.14. l, r",
+                        link: "/sounds-of-american-english/2.2.14-lr",
+                      },
+                      {
+                        text: "2.2.15. w, j",
+                        link: "/sounds-of-american-english/2.2.15-wj",
+                      },
+                    ]
+                  },
+                  {
+                    text: "2.3. 音节",
+                    collapsed: true,
+                    link: "/sounds-of-american-english/2.3-syllables",
+                    items: [
+                      {
+                        text: "2.3.1. 构成",
+                        link: "/sounds-of-american-english/2.3.1-structure",
+                      },
+                      {
+                        text: "2.3.2. 重音",
+                        link: "/sounds-of-american-english/2.3.2-stress",
+                      },
+                    ]
+                  },
+                  {
+                    text: "2.4. 连接",
+                    collapsed: true,
+                    link: "/sounds-of-american-english/2.4-linking",
+                    items: [
+                      {
+                        text: "2.4.1. 停顿",
+                        link: "/sounds-of-american-english/2.4.1-stop",
+                      },
+                      {
+                        text: "2.4.2. 辅音 + 元音",
+                        link: "/sounds-of-american-english/2.4.2-cv",
+                      },
+                      {
+                        text: "2.4.3. 辅音 + 辅音",
+                        link: "/sounds-of-american-english/2.4.3-cc",
+                      },
+                      {
+                        text: "2.4.4. 元音 + 元音",
+                        link: "/sounds-of-american-english/2.4.4-vv",
+                      },
+                    ]
+                  },
+                  {
+                    text: "2.5. 韵律",
+                    collapsed: true,
+                    link: "/sounds-of-american-english/2.5-prosody",
+                    items: [
+                      {
+                        text: "2.5.1. 高低",
+                        link: "/sounds-of-american-english/2.5.1-pitch",
+                      },
+                      {
+                        text: "2.5.2. 起伏",
+                        link: "/sounds-of-american-english/2.5.2-tone",
+                      },
+                      {
+                        text: "2.5.3. 轻重",
+                        link: "/sounds-of-american-english/2.5.3-emphasis",
+                      },
+                      {
+                        text: "2.5.4. 缓急",
+                        link: "/sounds-of-american-english/2.5.4-pace",
+                      },
+                    ]
+                  },
+                ],
+              },
+              {
+                text: "3. 收官",
+                collapsed: true,
+                link: "/sounds-of-american-english/3-wrapping-up",
+                items: [
+                  {
+                    text: "3.1. 流利",
+                    link: "/sounds-of-american-english/3.1-fluency",
+                  },
+                  {
+                    text: "3.2. 情绪",
+                    link: "/sounds-of-american-english/3.2-emotions",
+                  },
+                ],
+              },
+              {
+                text: "4. 而后",
+                collapsed: true,
+                link: "/sounds-of-american-english/4-whats-next",
+                items: [
+                  {
+                    text: "4.1. 多音拼写",
+                    link: "/sounds-of-american-english/4.1-multisounds",
+                  },
+                  {
+                    text: "4.2. 组合词汇",
+                    link: "/sounds-of-american-english/4.2-compounds",
+                  },
+                  {
+                    text: "4.3. 词根词缀",
+                    collapsed: false,
+                    link: "/sounds-of-american-english/4.3-components",
+                    items: [
+                      {
+                        text: "4.3.1. 常见前缀",
+                        link: "/sounds-of-american-english/4.3.1-prefixes",
+                      },
+                      {
+                        text: "4.3.2. 常见后缀",
+                        link: "/sounds-of-american-english/4.3.2-suffixes",
+                      },
+                      {
+                        text: "4.3.3. 常见词根",
+                        link: "/sounds-of-american-english/4.3.3-roots",
+                      },
+                    ],
+                  },
+                ],
+              },
+              {
+                text: "5. 总结",
+                link: "/sounds-of-american-english/5-sumup",
+              },
+            ],
+          },
+          // {
+          //   text: "语音塑造",
+          //   collapsed: true,
+          //   items: [
+          //     {
+          //       text: "1. 基础",
+          //       collapsed: true,
+          //       link: "/sounds-of-english/01-basics",
+          //       items: [
+          //         {
+          //           text: "1.1. 音素",
+          //           collapsed: true,
+          //           link: "/sounds-of-english/01-phonemes",
+          //           items: [
+          //             {
+          //               text: "1.1.1. 元音",
+          //               link: "/sounds-of-english/01-1-vowels",
+          //             },
+          //             {
+          //               text: "1.1.2. 辅音",
+          //               link: "/sounds-of-english/01-2-consonants",
+          //             },
+          //             {
+          //               text: "1.1.3. 美式语音标注",
+          //               link: "/sounds-of-english/01-3-us-phonemes",
+          //             },
+          //             {
+          //               text: "1.1.4. 示例",
+          //               link: "/sounds-of-english/01-4-pangram",
+          //             },
+          //           ],
+          //         },
+          //         {
+          //           text: "1.2. 音节",
+          //           link: "/sounds-of-english/02-syllables",
+          //         },
+          //       ],
+          //     },
+          //     {
+          //       text: "2. 详解",
+          //       collapsed: true,
+          //       link: "/sounds-of-english/03-details",
+          //       items: [
+          //         {
+          //           text: "2.1. 元音",
+          //           collapsed: false,
+          //           link: "/sounds-of-english/03-vowels-overview",
+          //           items: [
+          //             {
+          //               text: "2.1.1. 口腔内气流共鸣位置",
+          //               link: "/sounds-of-english/04-vowel-positions",
+          //             },
+          //             { text: "2.1.2. ʌ/ɑː", link: "/sounds-of-english/05-Ʌ" },
+          //             { text: "2.1.3. e/æ", link: "/sounds-of-english/06-e" },
+          //             { text: "2.1.4. ə/əː", link: "/sounds-of-english/07-ə" },
+          //             { text: "2.1.5. ɪ/iː", link: "/sounds-of-english/08-i" },
+          //             { text: "2.1.6. ʊ/uː", link: "/sounds-of-english/09-u" },
+          //             { text: "2.1.7. ɔ/ɔː", link: "/sounds-of-english/10-ɔ" },
+          //             {
+          //               text: "2.1.8. aɪ, eɪ, ɔɪ, aʊ, əʊ, eə, ɪə, ʊə",
+          //               link: "/sounds-of-english/11-aɪ",
+          //             },
+          //           ],
+          //         },
+          //         {
+          //           text: "2.2. 辅音",
+          //           collapsed: false,
+          //           link: "/sounds-of-english/12-consonants-overview",
+          //           items: [
+          //             {
+          //               text: "2.2.1. p, b, m, n, f, k, g, h",
+          //               link: "/sounds-of-english/13-pbmnfkgh",
+          //             },
+          //             { text: "2.2.2. f, v", link: "/sounds-of-english/14-fv" },
+          //             {
+          //               text: "2.2.3. m, n, ŋ",
+          //               link: "/sounds-of-english/15-mn",
+          //             },
+          //             {
+          //               text: "2.2.4. t, d, s, z; ʃ, tʃ, dʒ",
+          //               link: "/sounds-of-english/16-tdsz",
+          //             },
+          //             { text: "2.2.5. t, d", link: "/sounds-of-english/17-td" },
+          //             {
+          //               text: "2.2.6. tr, dr, ts, dz",
+          //               link: "/sounds-of-english/18-trdr",
+          //             },
+          //             {
+          //               text: "2.2.7. sp, st, str, sk",
+          //               link: "/sounds-of-english/19-sptk",
+          //             },
+          //             { text: "2.2.8. h", link: "/sounds-of-english/20-h" },
+          //             { text: "2.2.9. θ, ð", link: "/sounds-of-english/21-θð" },
+          //             { text: "2.2.10. r", link: "/sounds-of-english/22-r" },
+          //             { text: "2.2.11. l", link: "/sounds-of-english/23-l" },
+          //             { text: "2.2.12. ʒ", link: "/sounds-of-english/24-ʒ" },
+          //             {
+          //               text: "2.2.13. j, w",
+          //               link: "/sounds-of-english/25-jw",
+          //             },
+          //           ],
+          //         },
+          //         {
+          //           text: "2.3. 连读",
+          //           link: "/sounds-of-english/26-catenation",
+          //         },
+          //         {
+          //           text: "2.4. 音标学习",
+          //           link: "/sounds-of-english/27-learning-phonetics",
+          //         },
+          //         {
+          //           text: "2.4. 英美口音选择",
+          //           link: "/sounds-of-english/28-choosing-accent",
+          //         },
+          //       ],
+          //     },
+          //     {
+          //       text: "3. 进阶",
+          //       collapsed: true,
+          //       link: "/sounds-of-english/29-advanced",
+          //       items: [
+          //         {
+          //           text: "3.1 什么更重要？",
+          //           link: "/sounds-of-english/30-more-important",
+          //         },
+          //         { text: "3.2 停顿", link: "/sounds-of-english/31-pause" },
+          //         { text: "3.3 高低", link: "/sounds-of-english/32-high-low" },
+          //         { text: "3.4 起伏", link: "/sounds-of-english/33-up-down" },
+          //         {
+          //           text: "3.5 轻重",
+          //           link: "/sounds-of-english/34-strong-weak",
+          //         },
+          //         { text: "3.6 缓急", link: "/sounds-of-english/35-fast-slow" },
+          //         {
+          //           text: "3.7 长短",
+          //           link: "/sounds-of-english/36-long-short",
+          //         },
+          //       ],
+          //     },
+          //     {
+          //       text: "4. 收官",
+          //       collapsed: true,
+          //       link: "/sounds-of-english/37-round-up",
+          //       items: [
+          //         { text: "4.1 流利", link: "/sounds-of-english/38-fluent" },
+          //         { text: "4.2 情绪", link: "/sounds-of-english/39-emotional" },
+          //       ],
+          //     },
+          //   ],
+          // },
+
+          {
+            text: "大脑内部",
+            collapsed: true,
+            items: [
+              { text: "1. 小空间大世界", link: "/in-the-brain/01-inifinite" },
+              { text: "2. 一切都是连接", link: "/in-the-brain/02-links" },
+              { text: "3. 一切都是体育课", link: "/in-the-brain/03-sports" },
+              {
+                text: "4. 一切都是语文课",
+                link: "/in-the-brain/04-literature",
+              },
+              { text: "5. 一切都需要能量", link: "/in-the-brain/05-energy" },
+              {
+                text: "6. 用进废退循环利用",
+                link: "/in-the-brain/06-use-or-lose",
+              },
+              {
+                text: "7. 短时间内足量重复",
+                link: "/in-the-brain/07-repitition",
+              },
+              {
+                text: "8. 新旧网络间的竞争",
+                link: "/in-the-brain/08-compitition",
+              },
+              {
+                text: "9. 注意不到就不存在",
+                link: "/in-the-brain/09-unnoticed",
+              },
+              {
+                text: "10. 熟练就是卸载负担",
+                link: "/in-the-brain/10-unloading",
+              },
+              { text: "11. 被关注是最大负担", link: "/in-the-brain/11-burden" },
+              {
+                text: "12. 有限排它不可再生",
+                link: "/in-the-brain/12-unreproducible",
+              },
+              {
+                text: "13. 一切都是化学反应",
+                link: "/in-the-brain/13-chemical",
+              },
+              {
+                text: "14. 安全阈值决定成果",
+                link: "/in-the-brain/14-threshold",
+              },
+            ],
+          },
+          {
+            text: "自我训练",
+            collapsed: true,
+            link: `/self-training/00-intro`,
+            items: [
+              { text: "1. 用兵打仗", link: "/self-training/01-fight" },
+              { text: "2. 只能自学", link: "/self-training/02-last-resort" },
+              {
+                text: "3. 生学硬练",
+                link: "/self-training/03-trials-and-errors",
+              },
+              { text: "4. 走出迷宫", link: "/self-training/04-maze" },
+              { text: "5. 自我纠正", link: "/self-training/05-correction" },
+              { text: "6. 自主驱动", link: "/self-training/06-motives" },
+              { text: "7. 自我鼓励", link: "/self-training/07-encouraging" },
+              { text: "8. 自我监督", link: "/self-training/08-supervising" },
+              { text: "9. 自主计划", link: "/self-training/09-planning" },
+              { text: "10. 返璞归真", link: "/self-training/10-going-back" },
+            ],
+          },
+          {
+            text: "Enjoy App",
+            collapsed: true,
+            link: `/enjoy-app/`,
+            items: [
+              {
+                text: "快速开始",
+                collapsed: false,
+                items: [
+                  { text: "Enjoy 简介", link: "/enjoy-app/" },
+                  { text: "下载安装", link: "/enjoy-app/install" },
+                  { text: "软件设置", link: "/enjoy-app/settings" },
+                ],
+              },
+              {
+                text: "跟读训练",
+                collapsed: false,
+                items: [
+                  { text: "音频资源", link: "/enjoy-app/audios" },
+                  { text: "视频资源", link: "/enjoy-app/videos" },
+                ],
+              },
+              {
+                text: "阅读文本",
+                collapsed: false,
+                items: [
+                  { text: "在线文章", link: "/enjoy-app/webpage" },
+                  { text: "本地电子书", link: "/enjoy-app/ebook" },
+                ],
+              },
+              {
+                text: "智能助手",
+                collapsed: false,
+                items: [
+                  { text: "简介", link: "/enjoy-app/ai-assistant" },
+                  { text: "GPT 服务", link: "/enjoy-app/gpt-conversation" },
+                  { text: "TTS 服务", link: "/enjoy-app/tts-conversation" },
+                ],
+              },
+              {
+                text: "其他",
+                collapsed: false,
+                items: [
+                  {
+                    text: "常见问题",
+                    link: "/enjoy-app/faq",
+                  },
+                  {
+                    text: "利用 AI 生成训练材料",
+                    link: "/enjoy-app/use-case-generate-audio-resources",
+                  },
+                ],
+              },
+            ]
+          }
+        ],
+
+        "/enjoy-app/": [
+          {
+            text: "快速开始",
+            collapsed: false,
+            items: [
+              { text: "Enjoy 简介", link: "/enjoy-app/" },
+              { text: "下载安装", link: "/enjoy-app/install" },
+              { text: "软件设置", link: "/enjoy-app/settings" },
+              { text: "版本更新", link: "/enjoy-app/changelog" },
+            ],
+          },
+          {
+            text: "跟读训练",
+            collapsed: false,
+            items: [
+              { text: "音频资源", link: "/enjoy-app/audios" },
+              { text: "视频资源", link: "/enjoy-app/videos" },
+            ],
+          },
+          {
+            text: "阅读文本",
+            collapsed: false,
+            items: [
+              { text: "在线文章", link: "/enjoy-app/webpage" },
+              { text: "本地电子书", link: "/enjoy-app/ebook" },
+            ],
+          },
+          {
+            text: "智能助手",
+            collapsed: false,
+            items: [
+              { text: "简介", link: "/enjoy-app/ai-assistant" },
+              { text: "GPT 服务", link: "/enjoy-app/gpt-conversation" },
+              { text: "TTS 服务", link: "/enjoy-app/tts-conversation" },
+            ],
+          },
+          {
+            text: "其他",
+            collapsed: false,
+            items: [
+              {
+                text: "常见问题",
+                link: "/enjoy-app/faq",
+              },
+              {
+                text: "利用 AI 生成训练材料",
+                link: "/enjoy-app/use-case-generate-audio-resources",
+              },
+            ],
+          },
+          {
+            text: "返回",
+            link: "/intro",
+          },
+        ],
+
+      },
+
+      socialLinks: [
+        {
+          icon: "github",
+          link: "https://github.com/zuodaotech/everyone-can-use-english/tree/main/1000-hours",
+        },
+      ],
+    },
+
+    markdown: {
+      // https://vitepress.dev/reference/markdown
+      math: true,
+      config: (md) => {
+        // use more markdown-it plugins!
+        md.use(footnote);
+        md.use(sub);
+        md.use(sup);
+        md.use(mark);
+        md.use(ins);
+      },
+      // toc: {
+      //   level: [2, 3, 4]
+      // }
+    },
+  })
+);
diff --git a/1000-hours/.vitepress/config.mts b/1000-hours/.vitepress/config.mts
index e34af7b6..8e30011e 100644
--- a/1000-hours/.vitepress/config.mts
+++ b/1000-hours/.vitepress/config.mts
@@ -91,13 +91,13 @@ export default withMermaid(
           },
           {
             text: "语音塑造",
-            link: "/sounds-of-american-english/1-basics",
+            link: "/sounds-of-american-english/0-intro",
             collapsed: true,
             items: [
               {
-                text: "1. 基础",
+                text: "1. 音素",
                 collapsed: true,
-                link: "/sounds-of-american-english/1-basics",
+                link: "/sounds-of-american-english/1-phonemes",
                 items: [
                   {
                     text: "1.1. 字母",
diff --git a/1000-hours/public/audios/Be-Useful.mp3 b/1000-hours/public/audios/old/Be-Useful.mp3
similarity index 100%
rename from 1000-hours/public/audios/Be-Useful.mp3
rename to 1000-hours/public/audios/old/Be-Useful.mp3
diff --git a/1000-hours/public/audios/En-us-pneumonoultramicroscopicsilicovolcanoconiosis.ogg.mp3 b/1000-hours/public/audios/old/En-us-pneumonoultramicroscopicsilicovolcanoconiosis.ogg.mp3
similarity index 100%
rename from 1000-hours/public/audios/En-us-pneumonoultramicroscopicsilicovolcanoconiosis.ogg.mp3
rename to 1000-hours/public/audios/old/En-us-pneumonoultramicroscopicsilicovolcanoconiosis.ogg.mp3
diff --git a/1000-hours/public/audios/Jane-en-gb-ryan-male.mp3 b/1000-hours/public/audios/old/Jane-en-gb-ryan-male.mp3
similarity index 100%
rename from 1000-hours/public/audios/Jane-en-gb-ryan-male.mp3
rename to 1000-hours/public/audios/old/Jane-en-gb-ryan-male.mp3
diff --git a/1000-hours/public/audios/Jane-en-gb-sonia-female.mp3 b/1000-hours/public/audios/old/Jane-en-gb-sonia-female.mp3
similarity index 100%
rename from 1000-hours/public/audios/Jane-en-gb-sonia-female.mp3
rename to 1000-hours/public/audios/old/Jane-en-gb-sonia-female.mp3
diff --git a/1000-hours/public/audios/Jane-en-us-guy-male.mp3 b/1000-hours/public/audios/old/Jane-en-us-guy-male.mp3
similarity index 100%
rename from 1000-hours/public/audios/Jane-en-us-guy-male.mp3
rename to 1000-hours/public/audios/old/Jane-en-us-guy-male.mp3
diff --git a/1000-hours/public/audios/Jane-en-us-jenny-female.mp3 b/1000-hours/public/audios/old/Jane-en-us-jenny-female.mp3
similarity index 100%
rename from 1000-hours/public/audios/Jane-en-us-jenny-female.mp3
rename to 1000-hours/public/audios/old/Jane-en-us-jenny-female.mp3
diff --git a/1000-hours/public/audios/Now-en-gb-ryan-male.mp3 b/1000-hours/public/audios/old/Now-en-gb-ryan-male.mp3
similarity index 100%
rename from 1000-hours/public/audios/Now-en-gb-ryan-male.mp3
rename to 1000-hours/public/audios/old/Now-en-gb-ryan-male.mp3
diff --git a/1000-hours/public/audios/Now-en-gb-sonia-female.mp3 b/1000-hours/public/audios/old/Now-en-gb-sonia-female.mp3
similarity index 100%
rename from 1000-hours/public/audios/Now-en-gb-sonia-female.mp3
rename to 1000-hours/public/audios/old/Now-en-gb-sonia-female.mp3
diff --git a/1000-hours/public/audios/Now-en-us-guy-male.mp3 b/1000-hours/public/audios/old/Now-en-us-guy-male.mp3
similarity index 100%
rename from 1000-hours/public/audios/Now-en-us-guy-male.mp3
rename to 1000-hours/public/audios/old/Now-en-us-guy-male.mp3
diff --git a/1000-hours/public/audios/Now-en-us-jenny-female.mp3 b/1000-hours/public/audios/old/Now-en-us-jenny-female.mp3
similarity index 100%
rename from 1000-hours/public/audios/Now-en-us-jenny-female.mp3
rename to 1000-hours/public/audios/old/Now-en-us-jenny-female.mp3
diff --git a/1000-hours/public/audios/Pangram_en-IN-PrabhatNeural_Jane, a bright.mp3.mp3 b/1000-hours/public/audios/old/Pangram_en-IN-PrabhatNeural_Jane, a bright.mp3.mp3
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rename to 1000-hours/public/audios/old/Pangram_en-IN-PrabhatNeural_Jane, a bright.mp3.mp3
diff --git a/1000-hours/public/audios/Pangram_en-PH-RosaNeural_Jane, a bright.mp3.mp3 b/1000-hours/public/audios/old/Pangram_en-PH-RosaNeural_Jane, a bright.mp3.mp3
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diff --git a/1000-hours/public/audios/Pangram_zh-CN-liaoning-XiaobeiNeural_Jane, a bright.mp3.mp3 b/1000-hours/public/audios/old/Pangram_zh-CN-liaoning-XiaobeiNeural_Jane, a bright.mp3.mp3
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diff --git a/1000-hours/public/audios/Pangram_zh-CN-shaanxi-XiaoniNeural_Jane, a bright.mp3.mp3 b/1000-hours/public/audios/old/Pangram_zh-CN-shaanxi-XiaoniNeural_Jane, a bright.mp3.mp3
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diff --git a/1000-hours/public/audios/She-en-gb-ryan-male.mp3 b/1000-hours/public/audios/old/She-en-gb-ryan-male.mp3
similarity index 100%
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diff --git a/1000-hours/public/audios/She-en-gb-sonia-female.mp3 b/1000-hours/public/audios/old/She-en-gb-sonia-female.mp3
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diff --git a/1000-hours/public/audios/She-en-us-guy-male.mp3 b/1000-hours/public/audios/old/She-en-us-guy-male.mp3
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diff --git a/1000-hours/public/audios/Was-he-hurt-uk.mp3 b/1000-hours/public/audios/old/Was-he-hurt-uk.mp3
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diff --git a/1000-hours/public/audios/a-en-gb-ryan-male.mp3 b/1000-hours/public/audios/old/a-en-gb-ryan-male.mp3
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diff --git a/1000-hours/public/audios/a-en-us-guy-male.mp3 b/1000-hours/public/audios/old/a-en-us-guy-male.mp3
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diff --git a/1000-hours/public/audios/a-uk.mp3 b/1000-hours/public/audios/old/a-uk.mp3
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+# 美式英语语音基础教程
+
+自然语音中最基础的、不可分割的单位是**音素**（*phonemes*）；音素构成**音节**（*syllables*）；音节构成**词汇**（*words*）；词汇构成**意群**（*thought groups*）；意群构成**句子**（*sentences*)；句子构成**语篇**（*discourse*）—— 而一方说出的语篇（无论长短、无论完整与否）要被对方听到并理解，这样才能启动**对话**（*dialogue*）
+
+The most fundamental and indivisible unit in natural speech is the *phoneme*; phonemes form *syllables*; syllables form *words*; words form *thought groups*; thought groups form *sentences*; sentences form *discourse* - and a discourse spoken by one party (regardless of its length or completeness) needs to be heard and understood by the other party to initiate a *dialogue*.
+
+音素的准确与否，长期被认为是最重要的基础，甚至被认为是最关键的决定性因素。然而，在音素准确与否之上，更为重要的是说话的方式，即，语音的**韵律**（*prosody*）和**节奏**（*rhythm*）。所以，我们的教程将以**音节**为中心，主要关注**韵律**和**节奏** —— 当然，我们也只能从音素讲起。
+
+The accuracy of phonemes has long been considered the most critical foundation, even regarded as the key determinant. However, more important than phoneme accuracy is the way of speaking, that is, the *prosody* and *rhythm* of speech. Therefore, our tutorial will center on *syllables*, primarily focusing on *prosody* and *rhythm*—of course, we have to start with phonemes.
+
+另外，这是一个**零基础教程**，所以，完全不用担心自己基础差。在教程里，我们从音素开始讲起，而音素，根据定义，就是自然语音的最基础内容 —— 实在不可能有什么比它更基础的了 —— 所以，在此之前不需要有任何预备知识。
+
+Moreover, this is a tutorial for beginners, meaning there's no need to worry if you feel that you lack the basics. We will start from phonemes, which, by definition, are the most fundamental elements of spoken language. There's nothing more basic than this, therefore, *there's no need for any prior knowledge to start this course*.
\ No newline at end of file
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diff --git a/1000-hours/sounds-of-american-english/0-intro.md b/1000-hours/sounds-of-american-english/0-intro.md
index 675714ab..c50cba6b 100644
--- a/1000-hours/sounds-of-american-english/0-intro.md
+++ b/1000-hours/sounds-of-american-english/0-intro.md
@@ -1,13 +1,13 @@
-# 美式英语语音基础教程
+# 简介
 
-自然语音中最基础的、不可分割的单位是**音素**（*phonemes*）；音素构成**音节**（*syllables*）；音节构成**词汇**（*words*）；词汇构成**意群**（*thought groups*）；意群构成**句子**（*sentences*)；句子构成**语篇**（*discourse*）—— 而一方说出的语篇（无论长短、无论完整与否）要被对方听到并理解，这样才能启动**对话**（*dialogue*）
+为了真正掌握**美式英语**的语音 —— 所有语言都一样，都以**语音**为核心和基础 —— 我们必须熟练掌握**音标**，为此我们要做到：
 
-The most fundamental and indivisible unit in natural speech is the *phoneme*; phonemes form *syllables*; syllables form *words*; words form *thought groups*; thought groups form *sentences*; sentences form *discourse* - and a discourse spoken by one party (regardless of its length or completeness) needs to be heard and understood by the other party to initiate a *dialogue*.
-
-音素的准确与否，长期被认为是最重要的基础，甚至被认为是最关键的决定性因素。然而，在音素准确与否之上，更为重要的是说话的方式，即，语音的**韵律**（*prosody*）和**节奏**（*rhythm*）。所以，我们的教程将以**音节**为中心，主要关注**韵律**和**节奏** —— 当然，我们也只能从音素讲起。
-
-The accuracy of phonemes has long been considered the most critical foundation, even regarded as the key determinant. However, more important than phoneme accuracy is the way of speaking, that is, the *prosody* and *rhythm* of speech. Therefore, our tutorial will center on *syllables*, primarily focusing on *prosody* and *rhythm*—of course, we have to start with phonemes.
-
-另外，这是一个**零基础教程**，所以，完全不用担心自己基础差。在教程里，我们从音素开始讲起，而音素，根据定义，就是自然语音的最基础内容 —— 实在不可能有什么比它更基础的了 —— 所以，在此之前不需要有任何预备知识。
-
-Moreover, this is a tutorial for beginners, meaning there's no need to worry if you feel that you lack the basics. We will start from phonemes, which, by definition, are the most fundamental elements of spoken language. There's nothing more basic than this, therefore, *there's no need for any prior knowledge to start this course*.
\ No newline at end of file
+> * 看到音标就能说出音素；
+> * 听到音素就能写出音标；
+> * 能够适应不同词典的不同音标体系；
+> * 补充并使用属于自己的若干额外符号；
+> * 自如地说出各种音素的组合：
+>   * 音节
+>   * 词汇
+>   * 句子
+> * 牢记各个音素的常见拼写，即音标和字母组合的对应……
diff --git a/1000-hours/sounds-of-american-english/1-phonemes.md b/1000-hours/sounds-of-american-english/1-phonemes.md
new file mode 100644
index 00000000..4c22b567
--- /dev/null
+++ b/1000-hours/sounds-of-american-english/1-phonemes.md
@@ -0,0 +1,101 @@
+# 音素
+
+在自然语音中，不可继续分割的组成部分被称为**音素**（*phonemes*）。英语的音素分为**元音**（*vowels*）和**辅音**（*consonants*）。**音标**（*phonetics*）是用来标记音素的符号系统 —— 每个音素都由一个独特的音标符号标记。
+
+我们采用的是《剑桥英语发声词典》（[Cambridge English Pronouncing Dictionary](https://dictionary.cambridge.org/pronunciation/), i.e. *CEPD*）的音标标注体系。
+
+在《剑桥英语发声词典》里，英式英语的音标采用 D.J 音标，而美式英语的音标则采用国际音标（IPA）[^1]，并针对美式英语做了些 “优化”：
+
+> * `ə` 的长短版本儿化音，分别是 `ɚ` 和 `ɝː`
+> * 短元音 `ɒ` 用 `ɑː` 标注
+> * `ə` 结尾的双元音和三元音，结尾音使用 `r` 替换，比如 `ɪə`  ⭢ `ɪr`、`eə`  ⭢ `er`
+> * `t` 增加了一个弹舌音版本 `t̬`
+
+以下罗列的音素、音标、例词、及其部分语音文件均来自于剑桥英语词典的官方网站[^2]：
+
+> https://dictionary.cambridge.org/help/phonetics.html
+
+## 元音
+
+| 音素/音标                                                                                                                                                                                                   | 例词                                                                                                                                                                                   |
+| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| <span class="pho">ʌ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_cup_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_cup_2023feb.mp3"></span>          | c**u**p <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_cup_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_cup_2023feb.mp3"></span>          |
+| <span class="pho">ɑː</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_father_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_father_2023feb.mp3"></span>   | f**a**ther <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_father_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_father_2023feb.mp3"></span> |
+| <span class="pho">ɑːr</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_father_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_father_2023feb.mp3"></span>   | f**a**ther <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_father_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_father_2023feb.mp3"></span> |
+| <span class="pho">ɪ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_ship_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_ship_2023feb.mp3"></span>        | sh**i**p <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_ship_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_ship_2023feb.mp3"></span>       |
+| <span class="pho">ɪr</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_ship_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_ship_2023feb.mp3"></span>        | sh**i**p <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_ship_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_ship_2023feb.mp3"></span>       |
+| <span class="pho">iː</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_sheep_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_sheep_2023feb.mp3"></span>     | sh**ee**p <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_sheep_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_sheep_2023feb.mp3"></span>    |
+| <span class="pho">i</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_happy_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_happy_2023feb.mp3"></span>          | happ**y** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_happy_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_happy_2023feb.mp3"></span>             |
+| <span class="pho">ʊ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_foot_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_foot_2023feb.mp3"></span>        | f**oo**t <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_foot_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_foot_2023feb.mp3"></span>       |
+| <span class="pho">ʊr</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_foot_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_foot_2023feb.mp3"></span>        | f**oo**t <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_foot_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_foot_2023feb.mp3"></span>       |
+| <span class="pho">uː</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_blue_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_blue_2023feb.mp3"></span>       | bl**ue** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_blue_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_blue_2023feb.mp3"></span>       |
+| <span class="pho">e</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_head_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_head_2023feb.mp3"></span>        | h**ea**d <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_head_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_head_2023feb.mp3"></span>       |
+| <span class="pho">er</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_head_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_head_2023feb.mp3"></span>        | h**ea**d <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_head_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_head_2023feb.mp3"></span>       |
+| <span class="pho">æ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_hat_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_hat_2023feb.mp3"></span>          | h**a**t <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_hat_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_hat_2023feb.mp3"></span>          |
+| <span class="pho">ɒ/ɑː</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_sock_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_horse_2023feb.mp3"></span>       | s**o**ck <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_sock_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_horse_2023feb.mp3"></span>      |
+| <span class="pho">ɔː</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_horse_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_horse_2023feb.mp3"></span>     | h**or**se <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_horse_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_horse_2023feb.mp3"></span>    |
+| <span class="pho">ɔːr</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_horse_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_horse_2023feb.mp3"></span>     | h**or**se <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_horse_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_horse_2023feb.mp3"></span>    |
+| <span class="pho">ə</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_above_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_above_2023feb.mp3"></span>      | **a**bove <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_above_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_above_2023feb.mp3"></span>    |
+| <span class="pho">ɜː</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_bird_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_head_2023feb.mp3"></span>       | b**ir**d <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_bird_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_head_2023feb.mp3"></span>       |
+| <span class="pho">ɚ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_above_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_mother_2023feb.mp3"></span>     | moth**er** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_above_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_mother_2023feb.mp3"></span>  |
+| <span class="pho">ɝː</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_bird_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_bird_2023feb.mp3"></span>       | b**ir**d <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_bird_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_bird_2023feb.mp3"></span>       |
+| <span class="pho">aɪ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_eye_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_eye_2023feb.mp3"></span>         | eye <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_eye_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_eye_2023feb.mp3"></span>              |
+| <span class="pho">aɪr</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_eye_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_eye_2023feb.mp3"></span>         | eye <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_eye_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_eye_2023feb.mp3"></span>              |
+| <span class="pho">eɪ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_day_2023feb_002.mp3" data-audio-us-male="/audios/us_phonetics_sound_day_2023feb_002.mp3"></span> | d**ay** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_day_2023feb_002.mp3" data-audio-us-male="/audios/us_phonetics_word_day_2023feb_002.mp3"></span>  |
+| <span class="pho">ɔɪ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_boy_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_boy_2023feb.mp3"></span>         | b**oy** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_boy_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_boy_2023feb.mp3"></span>          |
+| <span class="pho">aʊ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_mouth_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_mouth_2023feb.mp3"></span>     | m**ou**th <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_mouth_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_mouth_2023feb.mp3"></span>    |
+| <span class="pho">aʊr</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_mouth_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_mouth_2023feb.mp3"></span>     | m**ou**th <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_mouth_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_mouth_2023feb.mp3"></span>    |
+| <span class="pho">oʊ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_nose_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_nose_2023feb.mp3"></span>       | n**o**se <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_nose_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_nose_2023feb.mp3"></span>       |
+
+## 辅音
+
+| 音素/音标                                                                                                                                                                                                  | 例词                                                                                                                                                                                   |
+| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| <span class="pho">p</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_pen_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_pen_2023feb.mp3"></span>         | **p**en <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_pen_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_pen_2023feb.mp3"></span>          |
+| <span class="pho">b</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_book_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_book_2023feb.mp3"></span>       | **b**ook <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_book_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_book_2023feb.mp3"></span>       |
+| <span class="pho">t</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_town_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_town_2023feb.mp3"></span>       | **t**own <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_town_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_town_2023feb.mp3"></span>       |
+| <span class="pho">t̬</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_town_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_cutting_2023feb.mp3"></span>    | cu**tt**ing <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_town_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_cutting_2023feb.mp3"></span> |
+| <span class="pho">d</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_day_2023feb_001.mp3" data-audio-us-male="/audios/us_phonetics_sound_day_2023feb_001.mp3"></span> | **d**ay <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_day_2023feb_001.mp3" data-audio-us-male="/audios/us_phonetics_word_day_2023feb_001.mp3"></span>  |
+| <span class="pho">k</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_cat_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_cat_2023feb.mp3"></span>         | **c**at <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_cat_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_cat_2023feb.mp3"></span>          |
+| <span class="pho">g</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_give_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_give_2023feb.mp3"></span>       | **g**ive <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_give_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_give_2023feb.mp3"></span>       |
+| <span class="pho">f</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_fish_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_fish_2023feb.mp3"></span>       | **f**ish <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_fish_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_fish_2023feb.mp3"></span>       |
+| <span class="pho">v</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_very_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_very_2023feb.mp3"></span>       | **v**ery <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_very_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_very_2023feb.mp3"></span>       |
+| <span class="pho">θ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_think_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_think_2023feb.mp3"></span>     | **th**ink <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_think_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_think_2023feb.mp3"></span>    |
+| <span class="pho">ð</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_this_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_this_2023feb.mp3"></span>       | **th**is <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_this_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_this_2023feb.mp3"></span>       |
+| <span class="pho">s</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_say_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_say_2023feb.mp3"></span>         | **s**ay <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_say_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_say_2023feb.mp3"></span>          |
+| <span class="pho">z</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_zoo_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_zoo_2023feb.mp3"></span>         | **z**oo <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_zoo_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_zoo_2023feb.mp3"></span>          |
+| <span class="pho">ʃ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_she_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_she_2023feb.mp3"></span>         | **sh**e <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_she_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_she_2023feb.mp3"></span>          |
+| <span class="pho">ʒ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_vision_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_vision_2023feb.mp3"></span>   | vi**si**on <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_vision_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_vision_2023feb.mp3"></span> |
+| <span class="pho">tʃ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_cheese_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_cheese_2023feb.mp3"></span>  | **ch**eese <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_cheese_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_cheese_2023feb.mp3"></span> |
+| <span class="pho">dʒ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_jump_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_jump_2023feb.mp3"></span>      | **j**ump <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_jump_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_jump_2023feb.mp3"></span>       |
+| <span class="pho">m</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_moon_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_moon_2023feb.mp3"></span>       | **m**oon <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_moon_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_moon_2023feb.mp3"></span>       |
+| <span class="pho">n</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_name_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_name_2023feb.mp3"></span>       | **n**ame <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_name_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_name_2023feb.mp3"></span>       |
+| <span class="pho">ŋ</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_sing_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_sing_2023feb.mp3"></span>       | si**ng** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_sing_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_sing_2023feb.mp3"></span>       |
+| <span class="pho">l</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_look_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_look_2023feb.mp3"></span>       | **l**ook <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_look_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_look_2023feb.mp3"></span>       |
+| <span class="pho">r</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_run_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_run_2023feb.mp3"></span>         | **r**un <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_run_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_run_2023feb.mp3"></span>          |
+| <span class="pho">w</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_we_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_we_2023feb.mp3"></span>           | **w**e <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_we_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_we_2023feb.mp3"></span>             |
+| <span class="pho">j</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_yes_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_yes_2023feb.mp3"></span>         | **y**es <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_yes_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_yes_2023feb.mp3"></span>          |
+| <span class="pho">h</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_hand_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_hand_2023feb.mp3"></span>       | **h**and <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_hand_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_hand_2023feb.mp3"></span>       |
+
+## 其他音素/音标
+
+| 音素/音标                                                                                                                                                                                                       | 例词                                                                                                                                                                                            |
+| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| <span class="pho">u</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_situation_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_situation_2023feb.mp3"></span>  | sit**u**ation <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_situation_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_situation_2023feb.mp3"></span> |
+| <span class="pho">ɒ̃</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_croissant_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_croissant_2023feb.mp3"></span>  | croiss**ant** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_croissant_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_croissant_2023feb.mp3"></span> |
+| <span class="pho">x</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_loch_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_loch_2023feb.mp3"></span>            | lo**ch** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_loch_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_loch_2023feb.mp3"></span>                |
+| <span class="pho">ᵊl</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_label_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_label_2023feb.mp3"></span>         | lab**el** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_label_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_label_2023feb.mp3"></span>             |
+| <span class="pho">ᵊm</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_criticism_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_criticism_2023feb.mp3"></span> | criticis**m** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_criticism_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_criticism_2023feb.mp3"></span> |
+| <span class="pho">ᵊn</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_sudden_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_sound_sudden_2023feb.mp3"></span>       | sudd**en** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_sudden_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_sudden_2023feb.mp3"></span>          |
+| <span class="pho">ᵊr</span> <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_sound_dictionary_2023jun.mp3" data-audio-us-male="/audios/us_phonetics_sound_sudden_2023feb.mp3"></span>   | diction**ar**y <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_dictionary_2023jun.mp3" data-audio-us-male="/audios/us_phonetics_word_sudden_2023feb.mp3"></span>  |
+
+## 其他符号
+
+| 符号                       | 例词                                                                                                                                                                                         |
+| -------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| <span class="pho">.</span> | system <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_system_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_system_2023feb.mp3"></span>           |
+| <span class="pho">ˈ</span> | sur**prise** <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_surprise_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_surprise_2023feb.mp3"></span> |
+| <span class="pho">ˌ</span> | **re**tell <span class="speak-word-inline" data-audio-uk-male="/audios/uk_phonetics_word_retell_2023feb.mp3" data-audio-us-male="/audios/us_phonetics_word_retell_2023feb.mp3"></span>       |
+
+[^1]: 现在几乎所有词典都声称自己采用国际音标（IPA），但它们无一例外，都是国际音标的一个 “**自定义子集**”。
+[^2]: 音标的语音文件来自剑桥官方网站；例词的语音文件部分由 Microsoft Edge TTS 生成。
\ No newline at end of file