单词	trackbed
释义	trackbed /ˈtrakbɛd / noun The foundation structure on which railway tracks are laid.The bypass would use the railway trackbed for much of its route.... Go through it and bear right, following the railway trackbed under a bridge. The old Midland route via Miller's Dale is now gone, although much of the trackbed after Matlock remains as walking trails.
随便看	phenylenediamine phenylephrine phenyl ether phenylethylamine phenylglycol phenylhydrazine phenylhydrazone phenylic phenylic acid phenylimide phenylketonuria phenylketonuric phenylmercuric phenylmercuric acetate phenylmercuric nitrate phenylmercury phenylpropanolamine phenylpropiolic phenylpyruvate phenylpyruvic acid phenylthiocarbamide phenylthiourea phenylurea phenytoin pheochrome

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