Checknut
防松螺母, 保险螺帽, 锁紧螺母
🗣️ 情景例句
While my car is in the shop, they have given me a courtesy car to drive around.
我的车还在修理店时，他们给我一辆替代车用。
It's a good thing you reminded me to take my heavy coat.
谢谢你提醒我拿我的厚衣。
Don't say that before you look at the picture. Turn it on.
未看图像之前先别这样说。打开。