Diphthongizing
vt. 使双重元音化；读作双元音\\nvi. 变为双元音
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
It's up to you.
一切由你决定。
Example is better than precept.
身教胜于言传。