负载

例句：

1. 1. The heavy load of work has been a constant source of stress for him.
   繁重的工作一直是他持续的压力来源。
2. 2. The ship's cargo was the main reason for its heavy load.
   船只的货物是其重载的主要原因。
3. 3. The new software system is designed to handle the increased load of data.
   新的软件系统被设计来处理增加的数据负载。