Package: add 1000-hours repo in workspace (#337)

* add 1000-hours repo in workspace

* update README
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an-lee
2024-02-20 15:40:18 +08:00
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# 2.2.10. `r`
`r` 这个辅音原本不难,但,美式英语有个独特之处造成了困难。它的难度并不在于发音起始的 “舌尖位置”,而是 “舌尖姿势”。英式英语中,`r` 只有一种 “舌尖姿势”,舌尖向前贴在上颚;可在美式英语中,*rock* `r/ɔk/`<span class="speak-word-inline" data-audio-us="/audios/rock-us.mp3"></span> 是舌尖向前的,但,*card* `/kɑːʳd/`<span class="speak-word-inline" data-audio-us="/audios/card-us.mp3"></span> 的舌尖姿势却是后卷的。
![](/images/speech-tract-r.svg)
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