Lockwasher
锁紧垫圈; 弹簧垫圈; 止动垫圈
🗣️ 情景例句
I know it well.
我对它熟得很。
First, Mr. Stone Lee, our sales manager, will make a few remarks.
首先，请我们销售经理世通先生发表讲话。
Kate! It's late. Why are you in bed?
凯特！晚啦。你怎么还在床上？