名词中文翻译
中文翻译：铁路床
同义词：
['track bed', 'rail track bed', "railway sleeper例句：1. The train's wheels are set on the railway bed.（火车的轮子放在铁轨床上。）"]
例句：
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1. The train's wheels are set on the railway bed.
火车的轮子放在铁轨床上。
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2.The engineer inspected the railway bed for any damage.
工程师检查了铁轨床，看看是否有损坏。
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3. The railway bed is a crucial part of the railway system.
铁轨床是铁路系统至关重要的一部分。