zài / hàn yǔ pīn yīn / zhōng / yùn fù / shì / yīn jié / zhōng / zuì / xiǎng liàng / de / yuán yīn

在汉语拼音中，韵腹是音节中最响亮的元音。

In Hanyu Pinyin, the main vowel is the most sonorous vowel in a syllable.