Parchmoid
(高度光滑的)假羊皮纸, 仿羊皮纸
🗣️ 情景例句
He is tough in doing everything.
他不管做什么事都很有毅力。
Express your ideas clearly to me.
把你的构想向我说清楚。
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，