Diphthongisation
n. 双元音化
🗣️ 情景例句
Do you know that I mean?
知道我的意思吗？
He must needs swim that is held up by the chin.
身不由己，只得从命。
I like listening to the radio, but I can't spend much time on it.
我喜欢听收音机，但不能花太多的时间。