lightning flash短语⁴¹¹²³ 基本例句 电闪 Sheet lightning lights up the whole sky. It has no special shape. Sheet lightning is actually the light from a chain lightning flash that occurs very far away. 片状闪电照亮整个天空。它没有什么特殊的形状。片状闪电实际上是发生在很远的地方的链状闪电的光。 blog.sina.com.cn