| 1. | The speed limit is 40 miles per hour .
规定的最高时速为每小时40英里。 |
| 2. | Can your car make a hundred miles per hour ?
你的汽车一小时能开一百英里吗？ |
| 3. | Her car goes faster than 110 miles per hour ...
她的汽车的时速超过110英里。 |
| 4. | The knot is a unit of speed equal to one nautical mile per hour .
“节”是表示每小时航行1海里的一个速度单位。 |
| 5. | At 25, 000 miles per hour our rocket will escape from the earth's pull .
在每小时25，000英里的速度下，我们的火箭就会脱离地球的引力。 |
| 6. | The average rate of rise during the first minute or so is approximately 260 miles per hour .
第一分钟左右的平均上升速度约为每小时260哩。 |
| 7. | Some 7 hours later, the wind had shifted to the east and its velocity had dropped to 10 to 15 miles per hour .
7小时以后风向转向东方，风力也降至每小时10至15英里。 |
| 8. | After his attempt, campbell was disappointed to learn that his average speed had been 299 miles per hour .
经过一番努力后，坎贝尔了解到他的平均时速是299英里，大感失望。 |
| 9. | His driving speed is about 80 miles per hour
他的行车速度大约是每小时80英里 |
| 10. | Hurricanes have winds of at least 74 miles per hour
飓风的速度至少有每小时74英里。 |
