Diphthongizing
vt. 使双重元音化；读作双元音\\nvi. 变为双元音
🗣️ 情景例句
Let me try it on.
让我试试看。
We shall lie all alike in our graves.
一进坟墓，大家一样。
But which language is the most widely spoken in the world?
但是世界上哪种语言运用最广泛？