| 1. | The planets revolve around the sun .
行星绕着太阳运转。 |
| 2. | The earth is one of the planets revolving round the sun .
地球是绕太阳运行的行星之一。 |
| 3. | No snowflake may fall without some reaction of the planet .
没有这个行星的某种反作用，雪片不可能掉下来。 |
| 4. | She wrote important studies of the planets jupiter and saturn .
她写了几篇关于木星和土星的重要学术论文。 |
| 5. | The orbits of the planets are ellipses with the sun at one focus .
行星的轨道是以太阳作为焦点之一的椭圆。 |
| 6. | We don't require additional knowledge as to which of the planets is older .
我们无需再知道哪一颗行星更老些。 |
| 7. | Much of the sunlight bombarding the planet is absorbed by the oceans .
海洋吸收了射到这颗行星上的大部分阳光。 |
| 8. | The final solar convulsions will wipe out all life on the planet .
太阳的最后灾变将把地球上的一切生命消灭干净。 |
| 9. | Step edges that are parallel to the planet radius are coated symmetrically .
与行星径向平行的台阶边缘被对称淀积。 |
| 10. | Many of the planets are no doubt inhabited by some form of advanced life .
许多行星上不容置疑地存在着高级的生命形式。 |
