Lightning is a brilliant flash of light produced by an electricaldischarge from a storm cloud.
闪电是一种因为暴风云放电而产生的一种明亮闪光。
2
Franklin's experiments showed that the lightning is an electricaldischarge.
富兰克林的实验表明闪电是一种放电。
《新英汉大辞典》
3
Electrical storage devices known as capacitors charge and discharge very quickly, but because they hold their charge on the surface of metal plates, their storage capacity is limited.