| 1. | The great dream of space flight was debased .
关于宇宙飞行的伟大梦想变得黯然失色。 |
| 2. | Workers in the "dirty room" must wear air suits much like space suits .
在“非洁净室”中工作的人都必须穿上像宇宙飞行衣那样的安全衣。 |
| 3. | A space navigator wishes to determine his velocity of approach as he nears the moon .
一个宇宙飞行员希望确定出他接近月球时的逼近速度。 |
| 4. | It is in this sense that an astronaut orbiting the earth in a space capsule is said to be "weightless" .
就在这种意义上，宇宙飞行员在宇宙密闭小舱里，环绕地球飞行时被说成是“失重”了。 |
| 5. | The science and technology of space flight
航天学，宇宙航行学研究宇宙飞行的科学及技术 |
| 6. | They plan and guide space flights
他们策划和指导宇宙飞行。 |
| 7. | They mastered space flight ,
他们掌握了宇宙飞行的技术 |
| 8. | But perhaps the most astonishing development will occur in space flight
但惊人的发展也许将出现在宇宙飞行方面。 |
| 9. | Capcom capsule communications
宇宙飞行舱通讯 |
| 10. | Of the ancient greeks , but modern space travel has rendered this a visible
但是现代宇宙飞行使这一理论成为了一个可见的 |
