expression, godan verb (-u)
cover the sky; fill the sky
Describes something spreading across the sky and obscuring it, such as smoke, clouds, or a large flock of birds. Often used in dramatic or descriptive contexts.
火山の噴火で、煙が空を覆った。
Smoke covered the sky due to the volcanic eruption.
無数の鳥が空を覆うように
Countless birds were flying, almost covering the sky.