| 1. | The inverse of its slope is the speed of light .
其倾斜的倒数是光速。 |
| 2. | The speed of light is an invariant constant .
光速是一个不变常数。 |
| 3. | What was the speed of the spaceship ?
飞船的速率是多少？ |
| 4. | We cannot dispense with the idea of the speed of light .
我们不能废弃光速这个概念。 |
| 5. | The speed of light turns out to be nature's speed limit .
光速原来是自然界的速度极限。 |
| 6. | I had the speed of him in walking; he had of me in reading .
我走路比他快，他阅读比我快。 |
| 7. | Let 's accelerate the speed of our community construction .
让我们加快我们社区建设的速度。 |
| 8. | The earth moves at a crawl compared with the speed of light .
与光速相比，地球也只是在爬行。 |
| 9. | The speed of light plays a special role in relativity theory .
光速在相对论中起着特殊的作用。 |
| 10. | The constancy of the speed of light seems, at first thought, unremarkable .
光速恒定，初看起来好像很平常。 |
