duplicate
duplicate 英 [ˈdju:plɪkeɪt] 美 [ˈduplɪkeɪt]
v. 复制；使加倍 n. 副本；复制品 adj. 复制的；二重的
进行时:duplicating 过去式:duplicated 过去分词:duplicated 第三人称单数:duplicates 名词复数:duplicates
- Duplicate describes something that's an exact copy. If you tend to accidentally lock yourself out of your car, it's a good idea to carry a duplicate key with you just in case.
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- v. 复制；使加倍
- n. 副本；复制品
- adj. 复制的；二重的
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1. a duplicated form
复制的表格
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2. There's no point in duplicating work already done.
重复别人已经做过的工作毫无意义。
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3. a duplicate invoice
发票副本
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4. Is this a duplicate or the original?
这是副本还是正本？
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5. to prepare a contract in duplicate
准备一式两份的合同
- duplicate (adj.) mid-15c., "having two parts, double," from Latin duplicatus, past participle of duplicare "to double," from duo "two" (from PIE root *dwo- "two") + plicare "to fold" (from PIE root *plek- "to plait"). Meaning "exactly corresponding, that is an exact copy of" is from 1812.
- duplicate (v.) 1620s, "to double," from Latin duplicatus, past participle of duplicare (see duplicate (adj.)). Meaning "make an exact copy" is from 1640s (implied in duplicated). Related: Duplicating. The noun is first recorded 1530s.
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