名词
中文翻译：动力火车
同义词：
['train', 'locomotive', 'electric locomotive']
例句：
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1.The tonic train whistled as it left the station.
动力火车离开车站时发出汽笛声。
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2. The locomotive was a marvel of engineering.
这辆机车是工程的奇迹。
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3. The electric locomotive powered the city's rapid transit system.
电动机车为城市的快速交通系统提供了动力。