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

耶鲁公开课 - 生物医学工程探索课程节选

They do that by skiing really fast s gold medal skier skiing in front of him saying jump, turn right, so forth.

以非常快的速度滑雪,世界冠军在他前面滑着，and，having，the，world’,不停地发出，起跳，右转，等口令。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选