vowel

母音

In this word, the vowel is pronounced long rather than short.

在这个字里，母音要读长音而不是短音。

母音字母

English has five vowels, but many more vowel sounds.

英文有五个母音字母，但母音的发音远多于此。

母音的

She practiced the vowel sounds slowly in front of the mirror.

她在镜子前慢慢练习这些母音的发音。