| 1. | Every observer in a satellite program is in a way a pioneer of space travel .
卫星计划的每一个观测者，都可以说是宇宙旅行的先锋。 |
| 2. | The story about space travelling is interesting
那个关于宇宙旅行的故事很有趣。 |
| 3. | I don ' t see anything wrong with space travel
我认为太空旅行没有什么不好。 |
| 4. | I don ' t see anything wrong in space travel
我不认为空间旅行有什么不对。 |
| 5. | I can ' t help thinking space travel is a waste of money
我总是认为空间旅行是浪费钱财。 |
| 6. | John glenn was a pioneer in space travel
约翰?葛伦是太空施行的先驱者 |
| 7. | The theme of this park is space travel and the universe
这个公园的主题是星际旅游和宇宙。 |
| 8. | I can ' t help thinking that space travel is a waste of money
我总认为太空旅行是浪费钱财。 |
| 9. | The space travel is the dream of human beings
太空旅行是人类的梦想。 |
| 10. | Rockets have enabled space travel
火箭已经于太空旅行成为可能的事。 |
