Scabs
n. （伤口或疮口上所结的）痂( scab的名词复数 ); （植物的）斑点病; 拒不参加罢工的工人; 破坏罢工者
🗣️ 情景例句
Hmm?
嗯？
Do you often study history on Saturday?
你常常在星期六学历史吗？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，