| 1. | Asteroid lies between mars and jupiter . 小行星位于火星与木星之间。 |
| 2. | Mars is too dry and poor in oxygen . 火星上面过于干燥,并且缺乏氧气。 |
| 3. | Mars is too dry and poor in oxygen . 火星过于干燥,而且缺乏氧气。 |
| 4. | The surface of mars is remarkably diverse . 火星的表面参差不齐。 |
| 5. | Nothing had occurred to mar this trip . 没有什么事破坏这次旅行的圆满成功。 |
| 6. | But they had marred her life . 但是它们已经毁坏了她的生活。 |
| 7. | They may solve a number of problems about mars . 它们可能解释一些关于火星的问题。 |
| 8. | Bad diction marred the effectiveness of her speech . 文辞不当削弱了她演讲的渲染力。 |
| 9. | The image of mars is always accompanied by two little dots . 火星星像的近旁总有两个小点。 |
| 10. | Violent winds periodically drive clouds of dust around mars . 狂风间歇地席卷火星上的尘云。 |