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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	projectively projective plane projective property projective space projective test project-manage project management project manager projectment projector projector lamp projector man projectress projecture projet projicience projicient prokaryon prokaryote prokaryotic proke proker prokinesis prokinetic pro-knock

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