单词	running rail
释义	running rail noun : a rail that acts as a running surface for the flanged wheels of a car or locomotive compare guardrail, third rail Word History First Known Use 1847, in the meaning defined above
随便看	cavalries cavalry cavalry bone cavalry twill cavalryman cavalrymen Cavan cavaquinho cavas cavascope cavatappi cavate cavatelli cavatina cavatinas cavayard cave cave (in) cave art cave bat cave bear cave beetle cave canem cave cricket cave dweller

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