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copper
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Derivatives :
adj
coppery
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Collins English-Chinese Dictionary
- copper
['kɔpər]
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1.
noun
[u]
(metal) 铜
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2.
noun
[c]
[BRIT]
[inf]
(policeman/woman) 警察
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3.
n pl
coppers (small change，coins) 铜板
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4.
cpd
[+pipe]
[ bracelet etc]
铜
Comprehensive English-Chinese Dictionary
- copper
[ˈkɒpər]
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1.
n.[u]
铜
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Between this and the core is an alloy of copper and silver.
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在这和中心之间是一种铜银合金。
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2.
n.[c]
铜币，铜钱，铜板
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He felt in his purse and threw down a couple of coppers.
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他伸进钱包里，然后扔下几枚铜钱。
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3.
n.[c]
[Slang]
警察
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He bragged to friends: "All I want is to kill a copper."
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他和他的朋友吹牛：“所有我想要的就是要杀一个警察。”
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4.
n.[u]
铜色，红褐色
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As a child my hair was the colour of copper.
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小时候我的头发是青铜色。
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5.
n.[c]
[Insects]
[Zoology]
铜灰蝶，红灰蝶
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There are several species of copper butterfly, many of which have copper-coloured wings.
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有几种铜色蝶，它们有青铜色的翅膀。
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6.
n.[c]
铜制容器
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7.
vt.
给……镀铜，用铜包
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It was then made into sheets for coppering the bottom of ships.
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然后，它被做成薄铜片，用于船底包铜。
Collins English-English Dictionary
- copper
['kɒpə]
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1.
n
a malleable ductile reddish metallic element occurring as the free metal, copper glance, and copper pyrites: used as an electrical and thermal conductor and in such alloys as brass and bronze. Symbol: Cu; atomic no: 29; atomic wt: 63.546; valency: 1 or 2; relative density: 8.96; melting pt: 1084.87±+0.2°C; boiling pt: 2563°C
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2.
n
(as modifier)
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a copper coin
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3.
n
the reddish-brown colour of copper
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4.
n
(as adjective)
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copper hair
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5.
n
[Spoken]
any copper or bronze coin
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6.
n
[chiefly Brit]
a large vessel, formerly of copper, used for boiling or washing
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7.
n
any of various small widely distributed butterflies of the genera Lycaena, Heodes, etc, typically having reddish-brown wings: family Lycaenidae
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8.
vt.
[tr]
to coat or cover with copper
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9.
vt.
[Etymology]
Old English coper, from Latin Cyprium aes Cyprian metal, from Greek Kupris Cyprus
- copper
['kɒpə]
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1.
n
a slang word for policeman cop
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2.
n
[Etymology]
C19: from cop1 (vb) + -er1
Examples
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copper is a good medium for conducting heat
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铜是传热的良导体
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copper sheeting
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薄铜片
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Artists use copper because it's one of the most ductile metals.
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艺术家们使用铜作材料，是因为铜是延展性最好的金属之一。
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Most coins are made of an alloy of copper and nickel.
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大多数硬币是由铜和镍的合金制成的。
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Copper and tin alloyed together produces bronze.
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铜和锡合成以后产生青铜。
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He bragged to friends: "All I want is to kill a copper."
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他和他的朋友吹牛：“所有我想要的就是要杀一个警察。”
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