duplicate

copy, duplicate, model, reproduction, facsimile

xerox, copy, duplicate

名词 duplicate:

1. something additional of the same kind
   同义词：extra
2. a copy that corresponds to an original exactly
   同义词：duplication

动词 duplicate:

1. make or do or perform again
   同义词：reduplicate, double, repeat, replicate
2. duplicate or match
   同义词：twin, parallel
3. make a duplicate or duplicates of
4. increase twofold
   同义词：double

形容词 duplicate:

1. identically copied from an original
2. being two identical
   同义词：matching, twin, twinned

1. A duplicate; a copy.
   副本; 复制品
2. He gave me a duplicate key of his house.
   他给了我另配了一套他房子的钥匙。
3. This research merely duplicates work already done elsewhere.
   这项研究仅仅是重复别人已经做过的工作。

du.pli.cate

adj.Abbr. dup.（形容词）缩写 dup.
Identically copied from an original.
复制的，副本的：对原件完全相同地复制的
Existing or growing in two corresponding parts; double.
成对的，二倍的：存在或生成两个相对应部分的；二倍的
Games Denoting a manner of play in cards in which partnerships or teams play the same deals and compare scores at the end:
【游戏】 复局的，复式的：牌戏中一种打法，其中搭档或牌队轮打同一手牌，最后比较得分：
例句：
duplicate bridge.
复局桥牌

n.Abbr. dup.（名词）缩写 dup.
An identical copy; a facsimile.
复制品；复印件
One that corresponds exactly to another, especially an original.
复制品：同另一物（尤指原件）完全一致的东西
Games A card game in which partnerships or teams play the same deals and compare scores at the end.
【游戏】 复局：搭档或牌队轮打同一手牌，最后比较得分的牌戏
v.（动词）
du.pli.cat.ed,du.pli.cat.ing,du.pli.cates[-k3t.]
v.tr.（及物动词）
To make an exact copy of.
复制，复印，复写：制作…的完全相同的复制品
To make twofold; double.
使重复；复制
To make or perform again; repeat:
重做，重演；重复：
例句：
a hard feat to duplicate.
难以再现的丰功伟绩

v.intr.（不及物动词）
To become duplicate.
复制，重复，成双，加倍

来源：
Middle English
中古英语
from Latin duplic3tus [past participle of] duplic3re [to double]
源自 拉丁语 duplic3tus [] duplic3re的过去分词 [加倍]
from duplex duplic- [twofold] * see dwo-
源自 duplex duplic- [成双] *参见 dwo-

【引伸】
du.plicable 或
du.plicat.able
du.plicately
adv.（副词）
du.plica.tive
adj.（形容词）
du.plicato.ry