schoolbag的例句：
Every school day, we use schoolbags to carry all of our things to school.
每天上學,我們都用書包把所有的東西帶到學校。
Can you imagine what future schoolbags will be like?
你能想象未來的書包會是什么樣子嗎?
People consider the bamboo boxes to be the earliest schoolbags.
人們認為竹盒子是最早的書包。
I put the paper into my schoolbag secretly and ran out of the room.
我偷偷地把試卷放進書包，然后跑出了房間。
Molly ran back home from school and dropped her schoolbag on the sofa.
莫莉放學后跑回家,把書包扔在沙發上。