英汉词典

1. 铁路；铁道
    A railroad is a route between two places along which trains travel on steel rails.

    e.g. ...railroad tracks that led to nowhere...
           向远方延伸的铁轨
    e.g. The railroad finally reached Santa Barbara in 1877.
           铁路终于在1877年修到了圣巴巴拉。