1) Clouds are greying the sky.
云层使天空灰暗。
2) The sky was dimmed by clouds.
云使天空昏暗来。
3) a gloomy sky; a murky grey sky
灰暗的天空
4) The sky is darkened with clouds.
乌云遮暗了天空。
5) The sky was uniformly gray.
天空一片灰暗。
补充资料：云层
1.成层的云。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条