名词
中文翻译：负极同义词
同义词：
['negative pole', 'negative terminal']
例句：
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1. The battery has a positive and a negative pole.
电池有正极和负极。
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2. The circuit breaker is used to disconnect the negative pole from the main power source.
断路器用于将负极从主电源断开。
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3. In an electric motor, the negative pole is where the current flows into the rotor.
在电动机中，负极是电流流入转子的地方。