口罩的单词怎么写

　　mask的用法例句

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

　　有个卑鄙、吝啬的家伙打着友谊的幌子把我毁了。

　　2. The mask fitted tightly over his face.

　　他用面具把脸蒙得严严的。