Diphthongizes
vt. 使双重元音化；读作双元音\\nvi. 变为双元音
🗣️ 情景例句
Oh, how do you do, Xiao Fu. This is Mary.
哦，你好，小付。我是Mary。
I don't think it's four o'clock yet.
我认为现在还不到四点。
I'm very sorry, but I can't come.
但很抱歉，我不能来。