乌云蔽日 wūyúnbìrì dark clouds hide the sun Definitions Defs Origin Strokes Stroke Words Sentences Sents 乌云 烏雲 wūyún noun dark clouds dark or black clouds蔽 bì verbadjective to cover to cover, shield, or screen; to protect or shelter日 rì noun sun (bound form) the sun; sunlight
