名词
中文翻译：铁路
同义词：
['rail', 'track', 'trackage']
例句：
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1. The train is traveling on the main railway line.
火车正在主要铁路线上行驶。
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2. The engineer inspected the tracks for any damage.
工程师检查了轨道，看是否有损坏。
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3. The construction crew was working on the new railway track.
施工队正在修建新的铁路轨道。