名词
中文翻译：火车头
同义词：
['locomoder', 'locomotor']
例句：
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1. The engineer inspected the locomotive before starting the journey.
工程师在开始旅程前检查了火车头。
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2. The locomotives were the main source of power for the trains.
火车头是火车的主要动力来源。
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3. The locomotive was a symbol of progress and innovation in transportation.
火车头是运输业进步和创新的象征。