You turn on your lamp, it happens pretty fast because current can flow very quickly through wire or through a charged - a solution of ions.

你打开灯 灯马上就亮了,电流可以迅速通过,电线或者带电荷的--电解质的溶液

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He made a terrible start as Vettel flew past him at the first corner and Alonso found a small gap to surge past Raikkonen on turn one and then past Hamilton on the outside of turn three to move quickly into third.

NPR: Alonso Thrills Home Fans With Spanish GP Win

The UMNO has been known to quickly turn on its own when it doesn't get the results it expects.

WSJ: Malaysian Prime Minister Wins Election

Utilities could use a type of natural gas power plants that can turn on and produce power quickly to make up for any shortfall.

FORBES: Feds Fund Four Projects To Simplify Solar Gear Designs and Predict Power Output