| 21. | An extension of the war will certainly bring them no good. |
| 战争的延长肯定不会给他们带来好处。
|
| 22. | In extension classes, texts are the same as or similar to those provided on the campus. |
| 大学实习班与大学使用的教材相同或相似。
|
| 23. | the extension of scientific knowledge |
| 科学知识的普及
|
| 24. | the extension of a warm welcome |
| 给予热烈的欢迎
|
| 25. | build an extension to a hospital |
| 扩建一医院
|
| 26. | an extension of one's summer holidays |
| 暑假的延长
|
| 27. | ` Extension 326, please.' |
| ‘请接326号分机。’
|
| 28. | draw up plans for an extension |
| 绘制扩建图
|
| 29. | new extension buildings |
| 新扩建的建筑
|
| 30. | apply for a passport [an entrance visa, an extension to one's visa] |
| 申请护照（入境签证，延长签证有效期）
|