load responsible control

例句：

1. 1. The truck was loaded with boxes of books.
   这辆卡车装满了书的箱子。
2. 2. He has a heavy load of work to do every day.
   他每天有很重的工作要做。
3. 3. The train was loaded with passengers and luggage.
   火车上挤满了乘客和行李。