| 1. | Scientists say these 15 unmanned flights can make important and exciting discoveries .
科学家们说这15次无人驾驶的太空飞行能够获得令人兴奋的重大发现。 |
| 2. | By that time , the astra will have been flying through space for seventeen hours and will have circled the earth a great many times .
到那时，阿斯特拉号将已经在太空飞行了十七小时，并已绕地球好多圈了。 |
| 3. | Flying in space is a dream come true , it really is
太空飞行梦想成真，这是千真万确的。 |
| 4. | Modern technology has made it possible 10 fly in space
现代技术使得在太空飞行成为可能。 |
| 5. | People on earth watched yang liwei ' s space flight on tv
地球上的人们看到了杨利伟的太空飞行。 |
| 6. | This book is concerned with space flight
这本书是有关太空飞行的 |
| 7. | Multi - manned and multi - day spaceflight
多人多天太空飞行 |
| 8. | Take a look back at 10 of the top spaceflight stories of 2007
下面就让我们回顾一下2007年的十大太空飞行事件。 |
| 9. | Goddard space flight center
高达德太空飞行中心 |
| 10. | Deep space flight will commence
太空飞行将 |
