单词	gas mask
释义	gas mask noun A protective mask used to cover a person’s face as a defence against poison gas.Take care of your gas mask and your gas mask will take care of you.... The main defence against them is protective clothing - gas masks and special suits made of rubber or treated synthetic cloth. ‘I think it was to test the sort of rubber they used for protective clothing and gas masks,’ he said.
随便看	could-be couldn't coulee coulibiac coulis coulisse couloir coulomb Coulomb's law coulrophobia coulter coumarin coumarone council Council Bluffs council estate Council for Mutual Economic Assistance council house councillor councillorship councilman council of ministers council of war councilor council tax

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