But with the flick of a switch, his world suddenly grew brighter.

但随着按下开关，他的世界突然变得明亮起来。

Petrol can be chosen at the flick of a switch.

【switch】只要按一下按钮就可以选择汽油。

And they did it by turning mice into ravenous predators, with the flick of a switch.

他们通过轻按开关将老鼠变成贪婪的食肉动物来做到这一点。

Love can then turn into savage attack, feelings of hostility, or complete withdrawal of affection at the flick of a switch.

然后， 爱会变成野蛮的攻击、敌意的感觉，或者一按开关就完全放弃感情。

Since the 1980s, with satellite TV and the Internet, it has been possible to listen to British and American English at the flick of a switch.

自上世纪80年代，随着卫星电视和互联网的进入，轻敲开关就可以了解英式和美式英语。

If the ship's hull was breached, these compartments could be sealed off from each other with the flick of a switch that closed watertight doors connecting them.

如果船体被破坏，只需轻按一个开关，关闭连接它们的水密门，这些隔间就可以相互密封。

All cars will be powered by electricity, solar energy or wind, and it will be possible to change the color of cars at the flick of a switch.

所有的汽车部将由电能、太阳能或风能提供动力，并且只要轻轻按一下开关就能够改变汽车的颜色。