| 1. | The atmosphere is a continuous layer of gases . 大气圈是连续的气体层。 |
| 2. | We live at the base of the atmosphere . 我们生活在大气的底部中。 |
| 3. | Most big balloons are now filled with helium . 现在许多大气球中充的是氦气。 |
| 4. | The runner had to stop and regain her wind . 那个女的跑了半截停下来喘大气。 |
| 5. | Our atmosphere acts as an efficient trap . 我们的大气就像一个有用的大容器。 |
| 6. | The explosion stirred the atmosphere tempestuously . 那爆炸猛烈地搅乱了大气。 |
| 7. | The atmosphere encompasses the earth . 大气包围着地球。 |
| 8. | "all right, here's five," red growled . “好吧,五镑钱拿去吧,”雷德粗声大气说。 |
| 9. | He seemed to have no strength . 看来他并没有多大气力。 |
| 10. | This region is called exosphere . 这层大气称为外逸层。 |