Diphthongizing
vt. 使双重元音化；读作双元音\\nvi. 变为双元音
🗣️ 情景例句
What's wrong with wanting to be on the school board?
想进入联合校董会有什么错？
Here are you Chinese Yuan for $ 1000. And your passport and exchange memo.
这是您1000美元所换的人民币。给您护照和兑换清单。
I'm afraid some people forgot to sweep the floor.
它不如平时干净，恐怕是一些人忘记扫地了。