schoolbag的例句：
Every school day, we use schoolbags to carry all of our things to school.
每天上学,我们都用书包把所有的'东西带到学校。
Can you imagine what future schoolbags will be like?
你能想象未来的书包会是什么样子吗?
People consider the bamboo boxes to be the earliest schoolbags.
人们认为竹盒子是最早的书包。
I put the paper into my schoolbag secretly and ran out of the room.
我偷偷地把试卷放进书包，然后跑出了房间。
Molly ran back home from school and dropped her schoolbag on the sofa.
莫莉放学后跑回家,把书包扔在沙发上。