duplicate

中文： 复本、复制

1. One that resembles or corresponds to another; an identical copy. (countable, uncountable) · This is a duplicate, but a very good replica.
2. An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original (countable, uncountable)
3. A pawnbroker's ticket, which must be shown when redeeming a pledged item. (countable, uncountable)
4. The game of duplicate bridge. (uncountable)
5. The game of duplicate Scrabble. (uncountable)
6. A biological specimen that was gathered alongside another specimen and represents the same species. (countable, uncountable)

复数 duplicates