A central vowel is a type of vowel sound used in some spoken languages. The defining characteristic of a central vowel is that the tongue is positioned halfway between a front vowel and a back vowel.
例句与用法
1.
Most english vowel sounds which are not given weight in speech become reduced to a rather formless central vowel 在言语中不重读的英语元音大部分被弱化成无形的中元音。
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