名词
中文翻译：铜绿
同义词：
['copper oxide', 'cuprous oxide例句：1. The copper ore was mined from the mountain.（铜矿从山上开采。）2. Copper is a soft metal that conducts electricity well.（铜是一种软金属，导电性能良好。）']
例句：
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1. The copper ore was mined from the mountain.
铜矿从山上开采。
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2. Copper is a soft metal that conducts electricity well.
铜是一种软金属，导电性能良好。
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3. The copper wire has been tarnished over time.
这根铜线已经因时间而氧化了。