关于英语单词发音的口形及舌位的问题????

老百姓，不是大师，是大人，老人。
这个问题是这样的。辅音，manner/place容易搞定，元音，很难。因此Daniel Jones在建立英语发音理论时用了8个cardinal vowels，囊括了那个舌头能达到的high/low, front/back的8个极点。后来其学生A. C. Gimson发挥了这一理论，但是把那8个极点画成了圆圈了，也就是说，vowels的位置是模糊的，不是点，而是圈，当然可能是球了。这是基础理论。其他的，建议楼主直接找有关英语语音学的专著来学吧。
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