bur kit

例句：

1. 1. I need to pack my backpack before leaving for the trip.
   我需要在出发前打包我的背包。
2. 2. The young girl carried her travel bag on her shoulder as she walked down the street.
   年轻的女孩肩上背着她的旅行包，沿着街道走着。
3. 3.He carefully placed his backpack in the trunk of his car and drove away.
   他小心翼翼地将他的背包放在汽车的后备箱里，然后开车走了。