面具 : maskRelative explainations: Examples:1. 部落中跳舞的人戴着古怪的面具。 Tribal dancers were wearing grotesque masks.2. 他用面具把脸蒙得严严的. The mask fitted tightly over his face.3. 飞机上的氧气面具只用於紧急情况. Oxygen masks are used in aircraft only in emergencies.4. 滤毒罐防毒面具的一部分，含有过滤装置，能将有毒成分从空气中除去 The part of a gas mask that contains the filter for removing toxic agents from the air.
