Backpack

Backpack, meaning backpack in Chinese, mainly refers to a backpack, and also refers to a box shaped backpack with a light metal frame used by climbers, walkers, or when carrying children. In addition, it also refers to the act of hiking with a backpack.
Here is a detailed explanation about Backpack:
As a noun, it refers to a large backpack commonly used for outdoor activities such as hiking and mountaineering, and can also be used to carry children. Some even come with a light metal frame, shaped like a box. For example: I sat down at a table and opened my backpack I am sitting at a table and opening my backpack
As a verb: Refers to the act of hiking with a backpack on one’s back. For example, they went backpacking in Spain last year They traveled in Spain with backpacks last year