名词
中文翻译：Unknown
同义词：
['rail', 'track', 'railing', 'rails']
例句：
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1. The train is running on the Amtrack system.
火车正在运行在Amtrack系统上。
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2. The engineer inspected the Amtrack tracks for damage.
工程师检查了Amtrack轨道是否有损坏。
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3. The Amtrack system is designed to improve transportation efficiency.
Amtrack系统旨在提高运输效率。