单词：coppers
n a copper penny
n uncomplimentary terms for a policeman
n a reddish-brown color resembling the color of polished copper
n any of various small butterflies of the family Lycaenidae having coppery wings
v coat with a layer of copper
copper的用法和样例：
例句
- Copper conducts electricity better than iron does.铜的导电性比铁强。
- The shop sells copper vessels of all shapes.这家商店出售各种形状的铜器皿。
- He polished up the old copper coins.他把旧铜币擦亮。
- I gave him a few coppers.我给了他几个铜币。
- I know he is a plain-clothes copper.我知道他是个便衣警察。
- Her hair shone copper in the sunlight.她的头发在阳光下闪着紫铜色。
- The cloud-mussed sky turned a vague copper color.堆满乌云的天空现出一种混沌的紫铜色。
- Zinc base die castings are always copper plated in cyanide baths.锌基合金的压铸件总是在氰化镀液中镀铜。
- The development history of cyanide-free copper electroplating is briefly reviewed.摘要简要回顾了无氰碱性镀铜的发展历史。
常见句型
- Copper conducts electricity well.铜是电的良导体。
- Have you any coppers in your change?你的零钱里有铜币吗?
- This store sells all kinds of copper.这家商店出售各种铜制品。
词汇搭配
- ask for〔collect〕 coppers要〔收集〕铜币
- cast〔toss〕 coppers扔铜币
- mine copper开发铜矿
- greasy copper铜臭
- copper manufactures铜制品
- copper sulphate硫酸铜
- copper wire铜丝
- four pence in coppers四便士铜币
- fine work on copper铜币上的美术精品
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