名词
中文翻译：Unknown
同义词：
['locomore', 'locomotion']
例句：
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1. The locomotive was the first to reach the finish line.
火车头是第一个到达终点的。
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2. The engineer had to replace the locomotive's engine.
工程师不得不更换火车头的引擎。
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3. The locomotive was a marvel of engineering.
这列火车头是工程学的奇迹。