n.铁路；铁道；铁路系统；铁道部门vi.乘火车旅行；在…铺设铁路； 变形： 复数：railways 双语释义：n.(名词)[C]铁路,铁道 track with rails for trains to run on[C]铁路系统 a system of tracks with its engines, stations, etc.英英释义： railway[ 'reilwei ]n.line that is the commercial organization responsible for opera