背负，肩扛运输的一种方式，其中货车挂车载在火车上，或卡车载在特殊设计的货车上；或与之有关的。

By or relating to a method of transportation in which truck trailers are carried on trains, or cars on specially designed trucks.

youdao

警方称，事发时，一辆挂车牌号蒙的货车因逆向行驶，与一辆由天津开往哈尔滨的长途客车相撞起火，货车上3人、客车司机和28名客车乘客均死亡，另有21名受伤乘客目前在医院接受治疗。

All 3 people aboard the truck, the bus driver and 28 passengers died. The remaining 21 injured passengers were hospitalized.

youdao

目前空气悬架已经在高档客车、城市公交车辆、重型货车和挂车上得到普及，并且正逐渐成为豪华轿车的标准配置。

Now air spring suspension is a popularization in luxury passenger cars, city buses, heavy trucks and trailers, and is becoming the standard equipment on the luxury cars.

youdao