Diphthongisation
n. 双元音化
🗣️ 情景例句
It's find out eventually. It's just a matter of time.
他终究会发觉的。 这只是个时间问题。
When the weather is hot, we turn on the air conditioner.
天热的时候就开空调。
Autumn is a busy season. The days get shorter and the nights get longer.
秋天是繁忙的季节。白天逐渐变短，夜晚则渐渐变长。