| 1. | Nations have been more interested in defense than in space exploration .
各国对防务已经比对探索宇宙更为关心。 |
| 2. | The work you will be doing during the next week is an example of the change in emphasis from space exploration to space exploitation .
你在以后一星期所要做的那些工作，正可以说明空间飞行的重点已从空间探索转移到了空间的开发利用。 |
| 3. | Space exploration helps us learn about the earth
太空探险帮助我们更多地了解地球。 |
| 4. | Billions of dollars have been spent on space exploration
数十亿美元花费在太空探索上。 |
| 5. | Space exploration is still in its infancy
宇宙探索仍处于初级阶段 |
| 6. | It ' s difficult to quantify the value of space exploration
把太空探索的价值进行量化是很困难的。 |
| 7. | It ' s 2027 , and manned space explorations are finally underway
2027年人类载人太空探险终于启动。 |
| 8. | The history of space exploration is an exciting drama
太空探险的历史是一个激动人心的戏剧性事件。 |
| 9. | Hospitals . prisons . space exploration
医院监狱空间勘探。 |
| 10. | " new frontiers of space exploration
太空探索新纪元 |
