| 单词 | railroad tie | 
| 释义 | > as lemmasrailroad tie   railroad tie  n. a railway sleeper; = tie n. 7b. ΘΚΠ society > travel > rail travel > railway system or organization > 			[noun]		 > track > parts and fittings of rails > sleeper cross-tie1813 sleeper1837 longitudinal1838 transom1838 cross-sleeper1841 railroad tie1847 stringer1848 tie1857 pot sleeper1869 waybeam1880 1847    Genesee 		(Rochester, N.Y.)	 Farmer Aug. 181/1  				Such is the demand for fence posts and railroad ties. 1927    Daily Tel. 24 May 17/6  				A contractor for railroad ties employing hundreds of the roughest of bohunks to hew and carry them for him. 2003    G. Schenk Gardening on Pavement, Tables, & Hard Surfaces ii. 30  				Prior-to-soil retaining materials include railroad ties, timbers, planks, and bricks. < as lemmas | 
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