Lockwasher
锁紧垫圈; 弹簧垫圈; 止动垫圈
🗣️ 情景例句
You need to complete some forms before the class.
上课之前你得填一些表格。
I can't help but be astonished by that acrobat.
我不能不为那杂技演员的表演而深为惊讶。
Good. Don't worry. I'll take good care of her.
很好。别担心。我会好好照料她的。