Diphthongizes
vt. 使双重元音化；读作双元音\\nvi. 变为双元音
🗣️ 情景例句
The patient showed a marked improvement.
病人病情显著好转。
Car manufacturers must be very uneasy now.
现在汽车制造厂商们无疑都非常不安。
I suddenly felt very worried, but could not say anything.
我突然非常着急起来，但却什么也说不出来。