v.  复制

v. 〔完全地〕重复

a.  完全一样的，复制的，副本的

n.  完全一样的东西，复制品，副本

• duplication   n. 重复

• a duplicate key  配制的钥匙

• in duplicate  一式两份（的）

• No duplicate is to be found in any other place. 没有发现一样的

• Well, the one sector of the economy that can't be easily duplicated by even smart technologies is the caring sector, the personal care sector. 很容易被复制

• New copies of the form can be duplicated from a master copy.

  可以用原件来复制新的表格。

• There's no point in duplicating work already done. 重复别人已经做过的工作毫无意义。

• She kept both the duplicate and the original. 她把复制本和原本都保留着。

• Copies of the proposal should be sent in duplicate. 建议书应该一式两份送去。

• There could be a serious loss of efficiency through unnecessary duplication of resources.

  不必要的资源重复会导致严重的效率损耗。

BrE /əˌbriːviˈeɪʃn/