拼音:bí yùn mǔ
鼻音收尾的韵母。普通话语音中有ɑn,iɑn,uɑn,üɑn,en,in,un,ün,ɑng,iɑng,uɑng,eng,ing,ong,iong等。
汉语词典大全 网址链接:https://cidian.122cha.com/AxKxfA7Bl.html