Locknut
n. 防松螺母
🗣️ 情景例句
Don't laugh. In the beginner's class,they give you a chance to rest between exercises.
别笑。在初级课程中你有机会休息。
I'm not good enough.
我还不够好。
Let's buy a newspaper, Liz.
我们买份报纸吧。莉兹。