| 1. | Billions of dollars have been spent on space exploration 数十亿美元花费在太空探索上。 |
| 2. | 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。 |
| 3. | Spend money exploring outer space , or for basic needs on earth 把钱由于外太空探索还是满足人们的基本需求? |
| 4. | " new frontiers of space exploration 太空探索新纪元 |
| 5. | The history of space exploration 太空探索的历史 |
| 6. | Information obtained by probes are put in your log files 从太空探索其所得到的资料将会置放在你的战船的档案文件。 |
| 7. | Early space exploration has paved the way for the current space station 早期的太空探索为如今的太空站建设奠定了基础 |
| 8. | He says they can be part of the next generation of space explorers 他说他们有机会亲身参与下一个世代太空探索的活动。 |
| 9. | Early space exploration has paved the way for the current space station 早期的太空探索为如今的太空站建设奠定了基础。 |
| 10. | Space probes - there are 5 types of probes that can be purchased from the devices port 太空探索器-你可从装置港口购买5种太空探索器。 |