| 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 atomic structure is often compared to a miniature solar system .
原子结构时常被比喻为微型太阳系。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | It produces a negligible interaction with the objects in our solar system .
它对太阳系物体的作用小得可以忽略不计。 |
| 9. | 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。 |
