书包用英文怎么说?

"Backpack" 是书包的英语表达。

来源：这个词是由英语单词 "back" 和 "pack" 组合而成的。"Back" 指的是背后，"pack" 指的是一个包裹物。

例句：

I always carry a backpack with me when I go hiking.
(我爬山时总是带着一个书包。)
She put her laptop in her backpack before leaving for school.
(她上学前把笔记本电脑放进了书包里。)
The backpack has multiple pockets for organizing your belongings.
(这个书包有多个口袋，方便你整理物品。)