中文意思:
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
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。
Surgical masks can effectively prevent droplets.
外科手术口罩可以有效防止飞沫。
He masked his anger with a smile.
他用笑容掩饰了他的气愤。
The kids were all wearing animal masks.
孩子们都戴着动物面具。
She bought a face mask.
她买了一张面膜。
