tractor and trailer

例句：

1. 1. The tractor pulls the heavy load across the field.
   拖拉机将沉重的货物拖过田野。
2. 2. The farmer needs a new tractor to replace his old one.
   这位农民需要一辆新的拖拉机来替换他的旧车。
3. 3. The tractor is an essential tool for farmers in agriculture.
   拖拉机是农业工作者不可或缺的工具。
4. 1.The trailer is loaded with supplies for the camping trip.
   拖车载满了露营旅行所需的物资。
5. 2.The truck was pulled over by the police because of the trailer's excessive weight.
   由于拖车的超重，这辆卡车被警察拦下了。
6. 3. The cargo was delivered safely to its destination on time.
   货物按时安全送达目的地。