Nowadays, container semi-trailer truck, as the major tool in road transportation, plays an increasingly important role.

集装箱运输货车作为公路运输的主要工具，发挥着越来越重要的作用。

A trailer was attached to the rear of the truck.

卡车后面挂了一辆拖车。

In many areas of the American West he still rides a horse, though he may carry it in a horse trailer behind his pickup truck to the point where the road gives out and a horse becomes indispensable.

在美国西部的很多地方他仍然骑着马，尽管也许是在一个马的拖车上去到没有路的地方，这时候马就变得必不可少了。

He walked to his truck, put his hand on the trailer, said something that only the horses could hear, turned and walked back at a deliberate pace.

他走向自己的卡车，把手放在车厢上，说了些只有马儿才能听见的话，接着慢慢地走回来。

The two delivery orders, valued at more than ＄136 million, include nearly 800 trucks and more than 160 trailers, increasing the total number of Oshkosh FMTV truck-and-trailer under order to 6,159.

这两份订单价值超过1.36亿美元，包括近800辆卡车以及160多辆拖车，这使得所有订单下的Oshkosh FMTV卡车和拖车数量达到了6159。