名词
中文翻译：机车
同义词：
['locomotor', 'locomotive engine', 'locomotives']
例句：
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1.The train's locomotive was loud and powerful.
火车的机车声音很大且有力。
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2. The engineer had to repair the locomotive before it could start again.
工程师必须在火车再次启动前修理好机车。
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3. The locomotive was a marvel of engineering.
这台机车是工程学的奇迹。