railroad tie 详细解释

railroad tie

n. 铁路轨枕

词形变化

名词: railroader | 动词过去式: railroaded | 动词过去分词: railroaded | 动词现在分词: railroading | 动词第三人称单数: railroads |

英英释义

名词 railroad tie:

one of the cross braces that support the rails on a railway track

同义词:tie, crosstie, sleeper

补充

railroad tierailroad tie1.铁路轨枕