防毒靴套 fángdúxuētào protective boots Origin Definitions Defs Strokes Stroke Words Sentences Sents 防毒 fángdú verb + noun to protect against poison or viruses to protect against poisonous substances, harmful chemicals, narcotics, or computer viruses靴 xuē noun boots (bound form) boots套 tào noun cover (bound form) a sheath, case, or sleeve used to cover or protect an object; padding or batting inside a quilt.