韵母中的元音对声母系统演变的影响是其表现之一。

Affection to initial from vowel is ont of them.

youdao

是鼻韵母。在发第一个元音时，首先要圆唇，然后，很快滑向后一个音节。

Is a nasal final. When pronounce the first final, you should round your lips, and then it glides quickly to the second vowel.

youdao

是鼻韵母。在发第一个元音时，首先要圆唇，然后，很快滑向后一个音节。

Is a nasal final. When pronounce the first final, you should round your lips, and then it glides quickly to the second vowel.

youdao