Tooth(type)coupling
[化] 齿式联轴器
🗣️ 情景例句
Richard! Welcome! Good luck tonight! Richard
欢迎 祝你今天晚上好运
A penny saved is a penny gained.
省一文是一文。
I think Chinese is more popular than any other subject.
我想语文比其他任何科目都更受欢迎。