Electrical discharges between an electrified cloud and an object closest to the Earth's surface can occur repeatedly.

带电云和离地球表面最近的物体之间的放电可以反复发生。

Franklin's experiments showed that the lightning is an electrical discharge.

富兰克林的实验表明闪电是一种放电。

" Lightning" is the electrical discharge that comes out of a cloud, a storm cloud.

“闪电”是从云、风暴云中发出的放电。

Then, as the eels strike, they emit a high-voltage, highly accurate volley of electrical discharges aimed directly at their prey.

然后，当鳗鱼出击时，它们会发射出高压、高度精确的一连串放电，直接瞄准它们的猎物。