桌面系统 zhuōmiànxìtǒng desktop system Origin Definitions Defs Strokes Stroke Words Sentences Sents 桌面 zhuōmiàn desktop The main screen or background displayed on a computer operating system.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.