work bag

例句：

1. 1. She packed her work bag before leaving for the office.
   她离开办公室前打包了她的工作包。
2. 2.The engineer carried his work bag with him everywhere he went.
   这位工程师无论走到哪里，都带着他的工作包。
3. 3. He put all his tools in his work bag and left the workshop.
   他把所有的工具都放进了他的工作包，离开了车间。