copper
/ˈkɒpə/
n.
标准词条
CET-4
一句话记住
铜;铜币
释义与例句
n.
铜;铜币
a reddish-brown metal that is a good conductor of electricity and heat; coins made of this metal
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Copper is widely used in electrical wiring because it conducts electricity well.
铜因其良好的导电性被广泛用于电线。
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The statue was made of polished copper and shone in the sun.
这座雕像是用打磨过的铜制成的,在阳光下闪闪发光。
展开其余 1 条例句
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He fished out a few coppers from his pocket to pay for the bus.
他从口袋里掏出几个铜币付了车费。
词源与构词
记忆钩子
联想“cop(警察)”常拿铜币——铜是 reddish-brown 的金属,导电性好,也指铜币。
词族与关联词
词族(同一词根派生出的不同词性或形式)
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coppery 铜色的;含铜的由 copper 加后缀 -y 构成,描述像铜一样的颜色或质地。
同义词
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bronze 青铜;青铜色copper 指纯铜;bronze 是铜与锡等的合金,颜色偏暗褐,常用于雕塑和钱币。The museum displayed an ancient bronze sword. 博物馆展出了一把古代青铜剑。
反义词
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nonmetal 非金属copper 属于金属,nonmetal 指不具备金属特性的元素,二者在物质分类上相对。Carbon is a nonmetal used in many industrial processes. 碳是一种用于许多工业过程的非金属。
常见搭配
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copper wire 铜线The electrician replaced the old copper wire. 电工更换了旧铜线。
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copper mine 铜矿The town grew around a large copper mine. 这座城镇围绕一座大型铜矿发展起来。
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copper color 铜色Her hair had a warm copper color. 她的头发是温暖的铜色。