| 单词 | railroad spike |
| 释义 | > as lemmasrailroad spike railroad spike n. a spike used to fix a railroad track to a wooden sleeper. ΚΠ 1848 Sci. Amer. 17 June 310/2 Upwards of twenty tons of railroad spikes are manufactured every week. 1939 W. A. White Changing West ii. 56 After the last railroad spike was driven. 2005 Washington Post (Nexis) 14 Aug. c2 Normally the stress is contained by the railroad spikes, tie plates, crossties and ballast to resist the side-to-side movement that causes the rails to buckle. < as lemmas |
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