| 单词 | gas mask |
| 释义 | gas maskWord forms: plural gas masks countable noun A gas mask is a device that you wear over your face in order to protect yourself from poisonous gases. gas mask in British Englishnoun a mask fitted with a chemical filter to enable the wearer to breathe air free of poisonous or corrosive gases: used for military or industrial purposes Also called (in Britain): respiratorgas mask in American English a device worn over the face to prevent the breathing in of poisonous gases by chemically filtering them out of the air Examples of 'gas mask' in a sentence |
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