Tooth(type)coupling
[化] 齿式联轴器
🗣️ 情景例句
Fine, thank you, Mr. Mrarchetta.
都好， 谢谢你 ，Mrarchetta先生。
He who fears being conquered is sure of defeat.
怕吃败仗的就要打败仗。
For once, Harry had to admit defeat.
哈里只好认输。