名词
中文翻译：铜
同义词：
['brass', 'bronze', 'zinc']
例句：
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1.Copper is a metal that is used in many different applications.
铜是一种用于许多不同应用的金属。
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2.The copper wire was the first to be connected to the circuit.
铜线是第一个连接到电路的。
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3. Copper is often used in electrical wiring due to its high electrical conductivity.
由于其高导电性，铜常用于电气布线。