电鳗鱼

But, in sharp contrast, a Japanese aquarium decided on a novel way to save energy -- it used electricity generated by an electric eel to light up its Christmas tree.

与此相反，日本一家水族馆则想出了一个新奇的节能办法。它利用电鳗鱼发的电来点亮圣诞树彩灯。