/ˈdjuːplɪkət; NAmEˈduː-/ [] one of two or more things that are the same in every detail完全一样的东西；副本；复制品◆Is this a duplicate or the original?这是副本还是正本？SYNcopy ●in duplicate(about documents, etc.) as two copies that are exactly the same in every detail（文件等）一式两份◆The form must be completed in duplicate.这份表格一定要一式两份填写。➡triplicate