railroad tie英语标准发音：railroad tie英式发音：美式发音：翻译中文铁路枕木railroad tie – 基本释义[词典1]枕木铁路枕木铁路轨枕railroad tie – 英英词典NOUN[名词]one of the cross braces that support the rails on a railway track支撑铁轨上铁轨的横撑之一the British call a railroad tie a sleeper英国人称铁路枕木为卧铺tiecrosstiesleeperrailroad tie – WEB词典railroad tie枕木railroad tie plate铁路垫板A railroad tie枕木 参考资料： 1.百度翻译：railroad tie 2.有道词典：railroad tie 3.爱词霸：railroad tie
