| 1. | The estate was sold at ten year 's purchase .
田庄以相当于十年间土地收入的价钱售出。 |
| 2. | For the last fifty years, the globe has been warming up .
在过去五十年间，地球一直在转暖。 |
| 3. | There was a small seismicity gap around kawazu for the past 50 years .
在过去的五十年间，河畔附近在一个小的地震空白区。 |
| 4. | The laser phenomenon has been the subject of increasing interest during the last decade .
激光现象是最近十年间越来越引人入胜的课题。 |
| 5. | Programs leading to advanced degrees have mushroomed enormously in the past two decades .
过去二十年间，通向高级学位的课程雨后春笋般地增长。 |
| 6. | For several decades thereafter control of infectious disease was based exclusively on the use of antisera and vaccines .
此后几十年间，传染病几乎全靠抗血清及疫苗来控制。 |
| 7. | Prices have risen steadily during the past decade
过去十年间物价一直在上涨。 |
| 8. | Prices have risen steadily during the past decade
过去十年间物价不断上涨。 |
| 9. | During the past ten years , we created many first
十年间，我们创造了许多第一 |
| 10. | In 20 years the city has spread quickly to the north
在二十年间，这个城市迅速向北扩展。 |
