Diphthongize
vt. (使)二合元音化, 复元音化
🗣️ 情景例句
The birthday dinner was held at a five-star restaurant.
生日宴会在一个五星级的宾馆里举办。
I ought to see a doctoe at once.
我应该立刻去看医生。
What a nuisance!
真讨厌！