| 单词 | railbed | 
| 释义 | > as lemmasrailbed   railbed  n. a bed of gravel, broken stone, etc., upon which the rails are laid for a railway; = bed n. 12e. ΚΠ 1880    ‘M. Twain’ Tramp Abroad xxix. 306  				There was no level ground at the Kaltbad station; the railbed was as steep as a roof. 1969    E. W. Morse Fur Trade Canoe Routes  ii. vi. 78  				The portage is rough, and at its western end leads into an abandoned rail-bed once used for logging. 2007    Birmingham 		(Alabama)	 News 		(Nexis)	 24 Jan. 1 a  				Park planners say they will save millions of dollars by clearing former railbeds..to make paths. < as lemmas  | 
	
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