名词
中文翻译：工作电池
同义词：
['working power', 'working generator']
例句：
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1.The car's engine needs a working battery to start.
这辆车的引擎需要工作电池才能启动。
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2. The old car has a working battery that can be recharged.
这辆旧车有一个可以充电的工作电池。
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3. The new battery is much more efficient than the old one.
新电池比旧电池更高效。