The idea of a fish being able to generate electricity strong enough to light lamp bulbs -- or even to run a small electric motor -- is almost unbelievable, but several kinds of fish are able to do this.

• 谈到一条鱼能放电，而且电的强度足以点亮灯泡，甚至驱动小电机，几乎令人难以置信。 但是，有几种鱼确能如此。