| 1. | The orchestra were tuning up as we entered the hall .
我们进入大厅时，管弦乐队正在调音。 |
| 2. | The orchestra are tuning up .
管弦乐队在定弦。 |
| 3. | An auto repair manual can tell how to tune up your car .
汽车维修手册可以告诉你怎么修复你的车子。 |
| 4. | The orchestra was tuning up before the concert
管弦乐队在音乐会开始前在调音。 |
| 5. | They are tuning up a plane on the flight line
他们正在机场的保养场调试一架飞机。 |
| 6. | Do you want [ need ] any help tuning up your car
需要我帮忙把汽车保养好吗？ |
| 7. | We ' ve got to tune up before we can play
在演奏之前我们得调（或：定）音。 |
| 8. | The orchestra were tuning up as we entered the hall
我们进入大厅时,管弦乐队正在调音 |
| 9. | The orchestra were tuning up as we entered the hall
我们进入大厅时,管弦乐队正在调音 |
