打开我的电源

switch on───接通，开启

switched on───开启；接通电流

switches on───接通，开启

switching on───n.接入；打开电灯开关；合闸

switched-on───开启；接通电流

switchman───n.转辙员；扳道工

switchmen───n.转辙员；扳道工

I'm still not super-clear in my head on the differences between a hub, router and switch and how it relates to the gnomes that live inside of each.───我的脑袋里还是非常地不明白集线器，路由器和交换机之间的区别，并且也不明白他们怎么在里面联系起来的。

Everytime that I switch my television or radio on, a leading Conservative is advising me about the need for change.───每次我看电视或者听收音机，保守党领袖总是向我兜售这种理念：我们需要一次改变。

was like somebody shut a switch on my whole digestive system and, you know, it felt horrible.───像是有人在我的消化系统里面不停的抽打，你知道，那感觉非常糟糕。