| 11. | Each student was issued with a textbook . |
| 给每个学生发了一本教科书。
|
| 12. | a simple, straightforward textbook that helps to dispel some of the mystique surrounding computers |
| 有助于消除关于计算机的某些神秘观念的简明教科书
|
| 13. | a well-illustrated textbook |
| 有精美插图的教科书
|
| 14. | a textbook which teaches the basic principles of geometry |
| 讲解几何学基本原理的教科书
|
| 15. | an algebra textbook |
| 代数课本
|
| 16. | a scientific discovery, instrument, textbook , researcher |
| 科学发现, 科学仪器, 理科教科书, 科学研究人员
|
| 17. | a textbook author |
| 教科书编著者
|
| 18. | plow through a dull textbook |
| 费力地阅读一本枯燥的教科书
|
| 19. | a beautifully-illustrated textbook |
| 有漂亮插图的教科书
|
| 20. | a geography textbook |
| 地理课本
|