| 1. | What is the speed limit on the motorway ?
高速公路的速度限制是多少？ |
| 2. | He was had up for exceeding the speed limit .
他因超速行驶而遭控告。 |
| 3. | Light sets the speed limit for nature .
光速限定了自然界的速率极限。 |
| 4. | Did not you see the limitation of speed ?
难道你没看见限速标志吗？。 |
| 5. | The racer lapped at unprecedented speed .
跑车以空前的速度跑完全程。 |
| 6. | In this way a high speed can be built up .
这样一来，就可产生高速度。 |
| 7. | Wave speed equals frequency times wavelength .
波速等于频率乘以波长。 |
| 8. | The inverse of its slope is the speed of light .
其倾斜的倒数是光速。 |
| 9. | The speed limit is 40 miles per hour .
规定的最高时速为每小时40英里。 |
| 10. | The speed of light is an invariant constant .
光速是一个不变常数。 |
