| 1. | Such a tilt is unusual in the solar system . 这样的倾斜在太阳系中不常见。 |
| 2. | Two further aspects of the solar system are notable . 太阳系具有下述两个显著特征。 |
| 3. | We could at any moment see the whole range of the solar system . 我们能在任一时刻看到整个太阳系。 |
| 4. | Here is how copernicus summed up his picture of the solar system . 这是哥白尼对他的太阳系图景的概括。 |
| 5. | The comet is not bound and makes but one visit to the solar system . 慧星是不受约束的,只是来访问一次太阳系。 |
| 6. | It is still fair to think of the solar system as a kind of gigantic clock . 把太阳系当成一只巨大的钟,也未尝不可。 |
| 7. | Planetologists believe comets are the oldest relics in the solar system . 行星学家们认为,彗星是太阳系中最古老的残余物。 |
| 8. | The stability of the solar system would not be deranged in ages to come . 在未来的世纪里,太阳系的平衡就不可能受到扰乱了。 |
| 9. | During the early stages of planetary evolution they served to sweep the solar system . 在行星演化的早期,他们用来清扫太阳系。 |