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	metagenesis metagenetic metagenic metageometry metagnomy metagon metagram metagrobolize meta-historic cryohydric cryokonite cryolite cryology cryometer cryonaut cry one's eyes (or heart) out cryonic cryonically cryonicist cryonics cryopedology cryophil cryophile cryophilic cryophoric

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