Lockwasher
锁紧垫圈; 弹簧垫圈; 止动垫圈
🗣️ 情景例句
We were most impressed with your efficiency.
你的工作效率很高，我们极为钦佩。
Never too old (or late) to learn.
学到老，学不了。
It'll be cool there,said Ah Fang.
“那儿凉快，”阿芳说。