密布 mìbù to cover densely Origin Definitions Defs Strokes Stroke Words Sentences Sents 乌云密布 wūyúnmìbù heavily clouded dark clouds cover the sky; used to describe a dark and gloomy weather or a threatening and imminent situation浓云密布 nóngyúnmìbù dark clouds cover the sky thick, dark clouds spread across the sky; heavily overcast