1·Try switching on and off again.
尝试再次打开和关闭。
2·A simple example: Switching on objects.
一个简单示例：在对象上使用switch。
3·After switching on powerful arc lights.
他们打开强力弧光灯。
4·Enough sleep, get up, switching on the computer.
睡够了，爬起来，顺手打开电脑。
5·They are switching off at four years old and never switching on again.
他们要是在四岁这个年龄段即关闭了学习的兴趣，那就决不会再开启了。
6·It can be proved by checking the newspapers or switching on the television.
这个情况可以通过查阅报纸或打开电视来证实。
7·Youll get up and turn on the computer newspaper just like switching on the TV.
你将会起床后打开电脑报纸就像打开电视一样。
8·I stood up, heart racing, and paced the rooms, switching on any lamp I could find.
我站起身来，感觉到心跳加速，我在房间里不停地来回踱步，打开了我所能找到的每一盏灯。
9·Before switching on, make sure that supply voltage is consistent with rated voltage.
打开电源前确保供电电源电压与额定电压相符。
10·Connecting an ear piece or switching on speakerphone will reduce radiation exposure.
耳机通话和免提都可以减少辐射。