释义 |
underground railways 基本英英Thesaurus 地铁原型undergroundrailway的复数 名词 underground railway: secret aid to escaping slaves that was provided by abolitionists in the years before the American Civil Waras in.railroad 同义词 rail line,railway,subwayline,metro,monorail,tracks,tubeelevated railway,streetcar line,trolley lineas in.underground railroad 同义词 subway,underground route railroadnoun train line elevated railway,line,metro,monorail,rail line,railway,streetcar line,subway,tracks,trolley line,tube,underground railway underground railroadnoun secret cooperative network subway,underground railway,underground route |