manpack

例句：

1. 1. He packed his bags and left for the airport early in the morning.
   他早上很早就打包行李，准备去机场。
2. 2.She carried a manpack filled with books and papers.
   她背着一个装满书和文件的背包。
3. 3.The manpack was too small to fit all their belongings.
   这个背包太小了，装不下他们所有的随身物品。