Checknut
防松螺母, 保险螺帽, 锁紧螺母
🗣️ 情景例句
Excuse the mess. I just moved here.
请不要介意这里乱得很 我刚刚搬来住。
I guess that's Ok. What time should I check in?
我想这正合适。我应该什么时候去办理登机手续呢？
in fact they did nothing of the kind,
实际上那是根本不行的。