释义：n. 面具；口罩；掩饰；[计] 掩膜vi. 掩饰；戴面具；化装vt. 掩饰；戴面具；使模糊
例句：Firefighters ran into the burning factory wearing gas masks.
消防人员戴着防毒面具跑进了燃烧的工厂。
变形：
过去式masked
过去分词masked
现在分词masking
第三人称单数masks
复数masks
例句
1Firefighters ran into the burning factory wearing gas masks.
消防人员戴着防毒面具跑进了燃烧的工厂。
2Surgical masks can effectively prevent droplets.
外科手术口罩可以有效防止飞沫。
3He masked his anger with a smile.
他用笑容掩饰了他的气愤。
4The kids were all wearing animal masks.
孩子们都戴着动物面具
5She bought a face mask.
她买了一张面膜
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