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	prolicide microcrystallinity microculture microcyclic microcyst Microcystis microcyte microcythaemia microcythemia microcytic microcytosis microdata microdegree microdensitometer microdermabrasion microdetector microdiffraction microdiffusion microdiorite microdissect microdistribution microdomain microdont microdontia microdontic

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