工作母机 gōngzuòmǔjī machine tool Origin Definitions Defs Strokes Stroke Words Sentences Sents 工作 gōngzuò verb to operate (of a machine, equipment, etc.) to operate; to run; to function母机 母機 mǔjī machine tool A machine used to manufacture other machines or components; short for 工作母机 gōngzuòmǔjī.