名词
中文翻译：粗铜
同义词：
['raw copper', 'unrefined copper例句：1. The crude blister copper was used to make the old-fashioned lamps.（这种粗铜被用来制作旧式的灯具。）']
例句：
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1. The crude blister copper was used to make the old-fashioned lamps.
这种粗铜被用来制作旧式的灯具。
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2. The raw copper ore is mined in many parts of the world.
世界许多地方都开采着未精炼的铜矿石。
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3.The refinery processes the crude blister copper into high-quality copper products.
炼油厂将粗铜加工成高品质的铜制品。