Tooth(type)coupling
[化] 齿式联轴器
🗣️ 情景例句
They are eager to learn English.
他们急着要学英语。
The man who makes no mistakes does not usually make anything.
不犯错误的人往往也就是无所作为的人。
You can print the telephone number of your information service in the newspaper.
你可以把你的问讯服务的电话号码登在报纸上。