Delabialization
唇化消失, 非唇化
🗣️ 情景例句
I visited Japan on an observation tour of its industries.
我到日本观摩它的工业。
I'm pleased to hear about your wife having a baby.
我很荣幸得知你太太生了一个小宝宝。
I'm very sorry, but I can't come.
但很抱歉，我不能来。