| 1. | Sit back and enjoy your flight .
请大家宽心安坐，享受飞行的乐趣。 |
| 2. | The customs service is responsible for stopping these flights .
海关总署是负责阻止这些飞机飞行的。 |
| 3. | It uses bombers that can fly all over the world without stopping .
它需要能在世界各地不着陆飞行的轰炸机。 |
| 4. | In the case of flying insects it is possible to release hormone from a trap .
对飞行的昆虫而言，可从昆虫捕集器中放出激素。 |
| 5. | Perhaps we are only vaguely aware of the historic significance of this flight .
也许我们只是模糊地意识到这次飞行的历史意义。 |
| 6. | The goal of man flying on his own pung power was virtually forgotten .
以人体自身微弱的力量凌空飞行的理想，实际已为人所淡忘。 |
| 7. | It is important for the protection of our country to know what is up there .
对于保卫我国的安全来说，重要的是必须知道在天上飞行的是什么。 |
| 8. | People scoffed at the wright brothers when they tried to make a machine that could fly .
当赖特兄弟要制造一种能够飞行的机器时，人们嘲笑他们。 |
| 9. | They placed very stable and accurate atomic clocks on regularly scheduled jet airliners .
他们将非常稳定、准确的原子钟装在定期飞行的喷气式班机上。 |
| 10. | A similar system is used to contact the communications satellites that now continually encircle the earth .
人们正把同样的系统用来与目前绕地球飞行的通讯卫星保持联系。 |
