名词
中文翻译：金属导体
同义词：
['electric conductor', 'conductive metal', 'electrical conductor']
例句：
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1. This new type of metal is used as a metallic conductor in electric cables.
这种新型金属用作电线的导电体。
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2. The scientist found that the metal was an excellent metallic conductor.
科学家发现这种金属是极好的导体。
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3.The metal conductor is essential for maintaining the electrical circuit.
金属导体对于维持电路至关重要。