操作系統 cāozuòxìtǒng operating system Origin Definitions Defs Strokes Stroke Words Sentences Sents 操作 cāozuò verbnoun to operate, operation To work with one's hands or use a machine according to set procedures; to manipulate系统 系統 xìtǒng noun system A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.