Our school is very poor and all of the textbooks are all outdated.

我们学校很穷，所有教科书都很过时。

My textbooks are at school.

我的课本在学校。

English textbooks and dictionaries are on sale everywhere.

英语教材和词典到处都有出售。

We're copying from textbooks because we don't have enough to go round.

我们在抄写课本，因为不够每人一本。

Textbooks are designed to be used in conjunction with classroom teaching.

教科书被设计成与课堂教学配合使用。

Their new English textbooks are on the teacher's desk.

他们新的英语教科书放在老师的书桌上。

Just try not to vomit on your textbooks or computer screen.

只是尽量不吐在你的课本或电脑屏幕上。