bivouacsack

例句：

1. 1. The group decided to spend the weekend camping in the mountains.
   这个小组决定在山里露营度过周末。
2. 2.She packed her bags and left for the campsite early in the morning.
   她打包好行李，一大早就出发去营地了。
3. 3.He was so tired that he fell asleep in his tent without even a fire.
   他太累了，连火都没有生就直接睡在帐篷里了。