textbook

She wrote a textbook on international law.

她写了一本国际法的教科书。

"I try to make things as inexpensive as possible,'' said Hunt, who uses free digital textbooks for his classes but designs his own curriculum.

亨特说，“我尽可能地让东西便宜些。”他在课堂上使用免费的电子教科书，但自己设计课程。

That doesn't mean that all students will do amazingly, if they just spend all their time reading from a textbook.

这并不意味着只要把所有的时间都花在阅读课本上，所有的学生都能取得惊人的表现。

The house is a textbook example of medieval domestic architecture.

这座房子是中世纪民居建筑的典型范例。