| 1. | Weary mind had switched itself off .
疲劳不堪的脑子本身已经不管用了。 |
| 2. | I have spent two years wandering the world .
我用了两年时间周游世界。 |
| 3. | The door was held open by a doorstop .
那门用了门碰头，一直开着。 |
| 4. | It's no use going into all that now .
如今再提那些也没什么用了。 |
| 5. | The theory of alpha decay utilizes this model .
衰变理论用了这种模型。 |
| 6. | She learnt to drive in three weeks .
她用了三个星期学会了开车。 |
| 7. | How much have you spent on books this term ?
这学期你在买书上用了多少钱？ |
| 8. | It was some time before we struck the track .
我们用了很长时间才找到了路。 |
| 9. | I was given gas when they pulled my tooth out .
给我拔牙时用了一氧化二氮。 |
| 10. | Nancy risked using her binoculars .
南希冒险用了一下望远镜。 |
