名词
中文翻译：金属电荷
同义词：
['metallic charge', 'metal ion']
例句：
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1.The battery is made of metal plates and a liquid electrolyte.
电池由金属板和液态电解质制成。
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2. The scientist used a metal charge to create an electric field.
科学家使用一个金属电荷来创造一个电场。
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3.The metal charge was released when the switch was turned on.
开关打开时释放了金属电荷。