雨层云-天空摄影 Nimbostratus Clouds - Sky Photography

雨层云属中云族 覆盖全天云体厚 遮天蔽日暗灰色 持续降雨叫雨云 Nimbostratus clouds belong to the middle cloud family. They cover the entire sky, are thick, and dark gray, obscuring the sun. Continuous rainfall is called rain cloud.