n. a book prepared for use in schools or colleges
n. 教科书
1. I bought a new textbook for my math class.
我为我的数学课买了一本新教科书。
2. The textbook has many exercises to help us practice.
这本教科书有很多练习题帮助我们练习。
3. We need to read the textbook before the exam next week.
我们需要在下周考试之前阅读教科书。