| 1. | Weary mind had switched itself off . 疲劳不堪的脑子本身已经不管用了。 |
| 2. | My life had switched onto the wrong track . 我的人生走上了错误的轨道。 |
| 3. | Switch on the light at the wall-socket . 把电灯接通在墙上的电源插座上。 |
| 4. | I switch off when he starts talking about cars . 他一谈起汽车我就厌烦。 |
| 5. | Please switch off the lights when you leave . 出门时请随手关灯。 |
| 6. | Streams are switched by solenoid valves . 流路靠电磁阀进行切换。 |
| 7. | To do this we need a fast light switch . 为此我们需要有一个快速的光开关。 |
| 8. | You switch the radio on by pressing this button . 按这个按钮就能开收音机。 |
| 9. | Long lectures really switch me off . 我觉得冗长的演讲很烦人。 |
| 10. | Do you mind if i switch the radio off ? 我可以关掉收音机吗? |