noun 下载 🔗分享 复印机,影印机 A device that reproduces something, such as printed documents or compact discs; a copier. Examples : "The teacher used the duplicator to make copies of the test for all the students. " 老师用复印机为所有学生复印了试卷。 device machine technology electronics computing item stationery business 与AI对话词汇游戏阅读练习