electronic school-bag电子书包
School Backpacks Bag Gifts schoolbag学生双肩背包书包生日礼物
in the school bag在书包里;在学校袋;在书包
my own school bag我自己的书包;我自己学校袋
near the school bag附近书包;在学校附近的袋;该校附近袋
His school bag is和我的书包一样大
canvas s school bag帆布书包
pack uyour school bag收拾你的书包
beside my school bag在我的书包旁边
N-COUNT（可数名词） A schoolbag is a bag that children use to carry books and other things to and from school. 书包