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	sackful sacking sack-like sack lunch sack race sack suit Sackville-West, Vita sac-like Saco sacra sacral sacralise sacrality sacralization sacralize sacrament sacramental sacramentalise sacramentalism sacramentalist sacramentality sacramentalize sacramentally Sacramento sacrament of penance

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