duplicate

复制品英释nnan exact copy of something that you can use in the same way

复制英释vvto copy something exactly

1 in duplicate,一式二份

2 duplicate key,复制键

3 duplicate copy,副本；复制本

1 真题例句...Robert Anderson to duplicate his Mexican success in the sub-continent...第三套CET62013.6阅读理解

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

2 New copies of the form can be duplicated from a master copy..可以用原件来复制新的表格。