Misty it is still, glowing through clouds of dust and reek. 苍茫依然，光辉正穿透尘灰的层云。
Most lightning occurs within cumulonimbus clouds like these, but it can also be released from wide, layered formations called stratiform clouds.Photograph by William R. 大多数的闪电产生在如图所示的积雨云中，但闪电也可以由宽阔层状的成层云释放出来。
