口罩的單詞怎么寫

　　mask的用法例句

　　1. A base, ungenerous wretch who under the mask of friendship has undone me.

　　有個卑鄙、吝嗇的家伙打著友誼的幌子把我毀了。

　　2. The mask fitted tightly over his face.

　　他用面具把臉蒙得嚴嚴的。