Locknut
n. 防松螺母
🗣️ 情景例句
I was in the smoking section.
我原本坐在吸烟车厢的。
It is a good horse that never stumbles.
良马不失蹄。
We hope that the next negotiation will be the last one before signing the contract.
我们希望下一交谈判将是签订合同前的最后一轮谈判。