Lockwasher
锁紧垫圈; 弹簧垫圈; 止动垫圈
🗣️ 情景例句
The age range is from 6 months to 47 years.
年龄档次从6个月到47岁不等。
In secondary school, children get more advanced knowledge.
在中学，孩子们得到更高深的知识。
Mmm, it doesn't seem to fit very well.
嗯，这套看来不大合身。