| 1. | Pollution is the price we pay for an overpopulated, over-industrialized planet . |
| 污染就是我们为这个人口过密，过度工业化的星球所付出的代价。
|
| 2. | Rubbish, however, is only part of the problem of polluting our planet . |
| 然而，垃圾只是我们这个星球的污染问题的一个方面。
|
| 3. | The first question to answer is whether a planet can actually support life. |
| 第一个需要解答的问题是一颗行星是否有能够维持生命的条件。
|
| 4. | Whether a planet can support life depends on the size and brightness of its star, that is its 'sun'. |
| 一颗行星是否能够维持生命取决于它的恒星——即它的“太阳”——的大小和亮度。
|
| 5. | A planet would have to be a very long way from it to be capable of supporting life. |
| 那么一颗行星为了维持生命就要离开的它的恒星非常远。
|
| 查看更多例句>> |