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everyone-can-use-english/1000-hours/sounds-of-american-english/1.2-phonemes.md
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# # 1.2. 音素Phonemes
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**和**辅音**。
In natural speech, indivisible sound segments are referred to as *phonemes*. English language categorizes these phonemes into two types: *vowels* and *consonants*.
英文的**音素**用**音标**标注其发音。
In English, **phonemes** are annotated by **phonetic symbols** to indicate pronunciation.
遗憾的是,英文音标标注方式并不统一。我们在这里采用了 [Cambridge English Pronouncing Dictionary](https://dictionary.cambridge.org/pronunciation/) 的音标标注体系。
Unfortunately, there's no universal standard for English phonetic notation. Here, we use the notation system from the [Cambridge English Pronouncing Dictionary](https://dictionary.cambridge.org/pronunciation/).
> [!Note]
>
> CEPD 的英式英语的音标是 D.J. 音标体系而它的美式英语的音标采用的是国际音标体系IPA其详细说明请参考 CEPD 的官方网址[^1]
>
> The phonetic notation for British English in CEPD uses the D.J. system, while for American English, it adopts the International Phonetic Alphabet (IPA). For a detailed explanation, please refer to the official CEPD website:
>
> > https://dictionary.cambridge.org/help/phonetics.html
## 1.2.1. 元音Vowels
| Vowels | Examples |
| ------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `ʌ` | c**u**p `/kʌp/`<span class="speak-word-inline" data-audio-us-male="/audios/us/cup-us-male.mp3" data-audio-us-female="/audios/us/cup-us-female.mp3"></span> |
| `ɑː` | f**a**ther `/ˈfɑː·ðɚ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/father-us-male.mp3" data-audio-us-female="/audios/us/father-us-female.mp3"></span> |
| `e` | h**ea**d `/hed/`<span class="speak-word-inline" data-audio-us-male="/audios/us/head-us-male.mp3" data-audio-us-female="/audios/us/head-us-female.mp3"></span> |
| `æ` | h**a**t `/hæt/`<span class="speak-word-inline" data-audio-us-male="/audios/us/hat-us-male.mp3" data-audio-us-female="/audios/us/hat-us-female.mp3"></span> |
| `ə` | **a**bove `/əˈbʌv/`<span class="speak-word-inline" data-audio-us-male="/audios/us/above-us-male.mp3" data-audio-us-female="/audios/us/above-us-female.mp3"></span> |
| `ɚ` | moth**er** `/ˈmʌð·ɚ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/mother-us-male.mp3" data-audio-us-female="/audios/us/mother-us-female.mp3"></span> |
| `ɝː` | b**ir**d `/bɝːd/`<span class="speak-word-inline" data-audio-us-male="/audios/us/bird-us-male.mp3" data-audio-us-female="/audios/us/bird-us-female.mp3"></span> |
| `ɪ` | sh**i**p `/ʃɪp/`<span class="speak-word-inline" data-audio-us-male="/audios/us/ship-us-male.mp3" data-audio-us-female="/audios/us/ship-us-female.mp3"></span> |
| `iː` | sh**ee**p `/ʃiːp/`<span class="speak-word-inline" data-audio-us-male="/audios/us/sheep-us-male.mp3" data-audio-us-female="/audios/us/sheep-us-female.mp3"></span> |
| `i` | happ**y** `/ˈhæp·i/`<span class="speak-word-inline" data-audio-us-male="/audios/us/happy-us-male.mp3" data-audio-us-female="/audios/us/happy-us-female.mp3"></span> |
| `ɔː` | h**or**se `/hɔːrs/`<span class="speak-word-inline" data-audio-us-male="/audios/us/horse-us-male.mp3" data-audio-us-female="/audios/us/horse-us-female.mp3"></span> |
| `ʊ` | f**oo**t `/fʊt/`<span class="speak-word-inline" data-audio-us-male="/audios/us/foot-us-male.mp3" data-audio-us-female="/audios/us/foot-us-female.mp3"></span> |
| `uː` | bl**ue** `/bluː/`<span class="speak-word-inline" data-audio-us-male="/audios/us/blue-us-male.mp3" data-audio-us-female="/audios/us/blue-us-female.mp3"></span> |
| `u` | sit**u**ation `/ˌsɪtʃ·uˈeɪ·ʃən/`<span class="speak-word-inline" data-audio-us-male="/audios/us/situation-us-male.mp3" data-audio-us-female="/audios/us/situation-us-female.mp3"></span> |
| `eɪ` | d**ay** `/deɪ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/day-us-male.mp3" data-audio-us-female="/audios/us/day-us-female.mp3"></span> |
| `aɪ` | **eye** `/aɪ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/eye-us-male.mp3" data-audio-us-female="/audios/us/eye-us-female.mp3"></span> |
| `ɔɪ` | b**oy** `/bɔɪ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/boy-us-male.mp3" data-audio-us-female="/audios/us/boy-us-female.mp3"></span> |
| `oʊ` | n**o**se `/noʊz/`<span class="speak-word-inline" data-audio-us-male="/audios/us/nose-us-male.mp3" data-audio-us-female="/audios/us/nose-us-female.mp3"></span> |
| `aʊ` | m**ou**th `/maʊθ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/mouth-us-male.mp3" data-audio-us-female="/audios/us/mouth-us-female.mp3"></span> |
| `ɪr` | ear `/ɪr/`<span class="speak-word-inline" data-audio-us-male="/audios/us/ear-us-male.mp3" data-audio-us-female="/audios/us/ear-us-female.mp3"></span> |
| `er` | h**air** `/her/`<span class="speak-word-inline" data-audio-us-male="/audios/us/hair-us-male.mp3" data-audio-us-female="/audios/us/hair-us-female.mp3"></span> |
| `ʊr` | p**ure** `/pjʊr/`<span class="speak-word-inline" data-audio-us-male="/audios/us/pure-us-male.mp3" data-audio-us-female="/audios/us/pure-us-female.mp3"></span> |
| `aɪr` | f**ire** `/faɪr/`<span class="speak-word-inline" data-audio-us-male="/audios/us/fire-us-male.mp3" data-audio-us-female="/audios/us/fire-us-female.mp3"></span> |
| `aʊr` | **hour** `/aʊr/`<span class="speak-word-inline" data-audio-us-male="/audios/us/hour-us-male.mp3" data-audio-us-female="/audios/us/hour-us-female.mp3"></span> |
## 1.2.2. 辅音Consonants
| Consonants | Examples |
| ---------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `p` | **p**en `/pen/`<span class="speak-word-inline" data-audio-us-male="/audios/us/pen-us-male.mp3" data-audio-us-female="/audios/us/pen-us-female.mp3"></span> |
| `b` | **b**ook `/bʊk/`<span class="speak-word-inline" data-audio-us-male="/audios/us/book-us-male.mp3" data-audio-us-female="/audios/us/book-us-female.mp3"></span> |
| `t` | **t**own `/taʊn/`<span class="speak-word-inline" data-audio-us-male="/audios/us/town-us-male.mp3" data-audio-us-female="/audios/us/town-us-female.mp3"></span> |
| `t̬` | cu**tt**ing `/ˈkʌt̬·ɪŋ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/cutting-us-male.mp3" data-audio-us-female="/audios/us/cutting-us-female.mp3"></span> |
| `d` | **d**ay `/deɪ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/day-us-male.mp3" data-audio-us-female="/audios/us/day-us-female.mp3"></span> |
| `k` | **c**at `/kæt/`<span class="speak-word-inline" data-audio-us-male="/audios/us/cat-us-male.mp3" data-audio-us-female="/audios/us/cat-us-female.mp3"></span> |
| `g` | **g**ive `/ɡɪv/`<span class="speak-word-inline" data-audio-us-male="/audios/us/give-us-male.mp3" data-audio-us-female="/audios/us/give-us-female.mp3"></span> |
| `f` | **f**ish `/fɪʃ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/fish-us-male.mp3" data-audio-us-female="/audios/us/fish-us-female.mp3"></span> |
| `v` | **v**ery `/ˈver·i/`<span class="speak-word-inline" data-audio-us-male="/audios/us/very-us-male.mp3" data-audio-us-female="/audios/us/very-us-female.mp3"></span> |
| `s` | **s**ay `/seɪ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/say-us-male.mp3" data-audio-us-female="/audios/us/say-us-female.mp3"></span> |
| `z` | **z**oo `/zuː/`<span class="speak-word-inline" data-audio-us-male="/audios/us/zoo-us-male.mp3" data-audio-us-female="/audios/us/zoo-us-female.mp3"></span> |
| `θ` | **th**ink `/θɪŋk/`<span class="speak-word-inline" data-audio-us-male="/audios/us/think-us-male.mp3" data-audio-us-female="/audios/us/think-us-female.mp3"></span> |
| `ð` | **th**is `/ðɪs/`<span class="speak-word-inline" data-audio-us-male="/audios/us/this-us-male.mp3" data-audio-us-female="/audios/us/this-us-female.mp3"></span> |
| `ʃ` | **sh**e `/ʃiː/`<span class="speak-word-inline" data-audio-us-male="/audios/us/she-us-male.mp3" data-audio-us-female="/audios/us/she-us-female.mp3"></span> |
| `ʒ` | vi**si**on `/ˈvɪʒ·ən/`<span class="speak-word-inline" data-audio-us-male="/audios/us/vision-us-male.mp3" data-audio-us-female="/audios/us/vision-us-female.mp3"></span> |
| `h` | **h**and `/hænd/`<span class="speak-word-inline" data-audio-us-male="/audios/us/hand-us-male.mp3" data-audio-us-female="/audios/us/hand-us-female.mp3"></span> |
| `tʃ` | **ch**eese `/tʃiːz/`<span class="speak-word-inline" data-audio-us-male="/audios/us/cheese-us-male.mp3" data-audio-us-female="/audios/us/cheese-us-female.mp3"></span> |
| `dʒ` | **j**ump `/dʒʌmp/`<span class="speak-word-inline" data-audio-us-male="/audios/us/jump-us-male.mp3" data-audio-us-female="/audios/us/jump-us-female.mp3"></span> |
| `m` | **m**oon `/muːn/`<span class="speak-word-inline" data-audio-us-male="/audios/us/moon-us-male.mp3" data-audio-us-female="/audios/us/moon-us-female.mp3"></span> |
| `n` | **n**ame `/neɪm/`<span class="speak-word-inline" data-audio-us-male="/audios/us/name-us-male.mp3" data-audio-us-female="/audios/us/name-us-female.mp3"></span> |
| `ŋ` | si**ng** `/sɪŋ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/sing-us-male.mp3" data-audio-us-female="/audios/us/sing-us-female.mp3"></span> |
| `l` | **l**ook `/lʊk/`<span class="speak-word-inline" data-audio-us-male="/audios/us/look-us-male.mp3" data-audio-us-female="/audios/us/look-us-female.mp3"></span> |
| `r` | **r**un `/rʌn/`<span class="speak-word-inline" data-audio-us-male="/audios/us/run-us-male.mp3" data-audio-us-female="/audios/us/run-us-female.mp3"></span> |
| `w` | **w**e `/wiː/`<span class="speak-word-inline" data-audio-us-male="/audios/us/we-us-male.mp3" data-audio-us-female="/audios/us/we-us-female.mp3"></span> |
| `j` | **y**es `/jes/`<span class="speak-word-inline" data-audio-us-male="/audios/us/yes-us-male.mp3" data-audio-us-female="/audios/us/yes-us-female.mp3"></span> |
**注**:这个列表中,`ts``dz` 并未包括其中 —— 比如,*treats* `/triːts/`<span class="speak-word-inline" data-audio-us-male="/audios/us/treats-us-male.mp3" data-audio-us-female="/audios/us/treats-us-female.mp3"></span>, *friends* `/frendz/`<span class="speak-word-inline" data-audio-us-male="/audios/us/friends-us-male.mp3" data-audio-us-female="/audios/us/friends-us-female.mp3"></span>。
**Note**: This list does not include `ts` and `dz` — for instance, as in *treats* `/tri:ts/`<span class="speak-word-inline" data-audio-us-male="/audios/us/treats-us-male.mp3" data-audio-us-female="/audios/us/treats-us-female.mp3"></span> and *friends* `/frendz/`<span class="speak-word-inline" data-audio-us-male="/audios/us/friends-us-male.mp3" data-audio-us-female="/audios/us/friends-us-female.mp3"></span>.
## 1.2.3. 外来音素Foreign Phonemes
| Phonemes | Examples |
| -------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `ɒ̃` | croiss**ant** <span class="speak-word-inline" data-audio-us-male="/audios/us/croissant-us-male.mp3" data-audio-us-female="/audios/us/croissant-us-female.mp3"></span> |
| `x` | lo**ch** <span class="speak-word-inline" data-audio-us-male="/audios/us/loch-us-male.mp3" data-audio-us-female="/audios/us/loch-us-female.mp3"></span> |
## 1.2.4. 其它符号Other symbols
| Symbols | Functions | Examples |
| ------- | --------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **ˈ** | primary stress | **vi**sion `/ˈvɪʒ·ən/`<span class="speak-word-inline" data-audio-us-male="/audios/us/vision-us-male.mp3" data-audio-us-female="/audios/us/vision-us-female.mp3"></span> |
| **ˌ** | secondary stress | **con**troversial `/ˌkɑːn·trəˈː·ʃəl/`<span class="speak-word-inline" data-audio-us-male="/audios/us/controversial-us-male.mp3" data-audio-us-female="/audios/us/controversial-us-female.mp3"></span> |
| **·** | syllable division[^2] | **fa**ther `/ˈfɑː·ðɚ/`<span class="speak-word-inline" data-audio-us-male="/audios/us/father-us-male.mp3" data-audio-us-female="/audios/us/father-us-female.mp3"></span> |
[^1]: A Github [repo](https://github.com/zelic91/camdict) offers a *JSON* format database of CEPD.
[^2]: For better html rendering, a *middle dot* is used, rather than the *lower dot* used by CEPD official documents.