Diphthongizes
vt. 使双重元音化；读作双元音\\nvi. 变为双元音
🗣️ 情景例句
If you watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
Would you like to go for a walk?
你想去散步吗？
They're dangerous!
它们是很危险的！