/ˈdjuːplɪkeɪt; NAmEˈduː-/ [] (often be duplicated) to make an exact copy of sth复制；复印◆a duplicated form/letter复制的表格；复印的信件to do sth again, especially when it is unnecessary（尤指不必要的）重复◆The two departments are duplicating each other's efforts.这两个部门互相重复对方的工作。▸duplication /ˌdjuːplɪˈkeɪʃn; NAmEˌduː-/