1. 有轨电车：railroad bridge 铁路桥梁 | railroad car 有轨电车 | railroad 铁路

2. 铁路客车：railroad canvas 黑白十字布 | railroad car 铁路客车 | railroad contructing machine 铁路筑路机

3. 火车车箱：railroad buffs (火车票用)浅黄色纸板 | railroad car 火车车箱 | railroad duster 羊角除尘机

4. 铁路车辆：railroad 铁路,铁路部门 | railroad car 铁路车辆 | railroad tariffs 铁路运价

1. a wheeled vehicle adapted to the rails of railroad

    e.g. three cars had jumped the rails

    Synonym: carrailcarrailway car