Gb	Eng
闪电通常伴有雷声。	Lightning usually accompanies thunder.
辐散，散度一种天气状况，特征为：在气团均匀地散在某一地区上空，常伴有晴朗干燥天气	A meteorological condition characterized by the uniform expansion in volume of a mass of air over a region, usually accompanied by fair dry weather.