overload of a sling

例句：

1. 1.The truck was overloaded with heavy boxes.
   这辆卡车被沉重的箱子超载了。
2. 2.The company is under a heavy overload of debt.
   这家公司背负着沉重的债务负担。
3. 3.The load on the train was too much for the engineer to handle.
   火车上的重量对工程师来说太重了，无法处理。