名词
中文翻译：轨道凹凸不平
同义词：
['track irregularity', 'rail irregularity']
例句：
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1.The train's wheels are severely corrugated on the tracks.
火车的车轮在轨道上严重凹凸不平。
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2.The engineer inspected the rails for any signs of corrosion.
工程师检查了轨道，看看是否有腐蚀的迹象。
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3. Due to the corrugated condition of the track, the train had to slow down.
由于轨道凹凸不平，火车不得不减速。