| 1. | The spacecraft re-entered the atmosphere .
宇宙飞船重返大气层。 |
| 2. | The spacecraft splashed down in the pacific .
那艘宇宙飞船降落在太平洋中。 |
| 3. | Spacecraft have already traveled to other planets .
宇宙飞船已游览了别的行星。 |
| 4. | The advent of aircraft brought with it aeronautical engineering .
宇宙飞船的问世导致了航天工程的出现。 |
| 5. | The spacecraft burned up when it re-entered the earth 's atmosphere .
宇宙飞船重新进入地球大气层时烧毁了。 |
| 6. | Many new aspects of lunar research will be explored by space vehicles .
月球研究的许多新方面可用宇宙飞船来探测。 |
| 7. | Gyroscopes are used in navigational instruments for ships, aircraft, and spacecraft .
陀螺仪用于船舶、飞机和宇宙飞船中的导航设备。 |
| 8. | An observer moving with the spaceship measures the speed of the light and obtains the value c .
在宇宙飞船上的一个观测者，测得光速为C。 |
| 9. | It's unlikely that a space traveler would stray outside the craf without protective gear .
漫游太空的人不穿戴防护衣帽是不能走出宇宙飞船的。 |
| 10. | The hero gets into his spaceship and "blast off" into the outer reach of the space .
主人公坐上他的宇宙飞船，“腾空而起”进入外层宇宙空间。 |
