hopper freight car

例句：

1. 1. The truck was loaded with boxes ofbooks for the long trip ahead.
   这辆卡车装载着箱子，准备长途旅行。
2. 2.The driver hopped into his car anddrove off to deliver the goods.
   司机跳进他的车，开车去送货。
3. 3. Thecargo ship was a large hopper filledwith coal.
   这艘货船是一个装满煤炭的大型运货舱。