school bag和schoolbag区别

没什么区别，这两个都是可以的，意思都没有差错。不过有schoolbag这个词，中间没有空格的，意思要更准确一些。

意思n.书包

Remember to take your school bag with you when you go to school.

请你下次来上学时，把字典带来。

You need a new school bag! Your old one is falling to pieces.

你需要一个新书包！你的那个旧的快要成碎片了。

I also had enough stationery to fill my school bag.

我也得到了足够的文具来满足我的书包。

I will pack my school bag every day.

我会每天整理书包。