灰云 meaning in English
ash cloud
fume
smoke
Examples
- The sun was concealed by the dreary expanse of grey cloud that covered the wintry sky .
天气酷冷，天空中一大片阴暗的灰云遮没了太阳。 - Lime - mica - schist
灰云片岩 - Over this immensity the sky curved like a frescoed ceiling , where flotillas of white and grey clouds floated on separate winds
天空在无垠的大地上盘旋曲折，仿佛是一个刻有壁画的天花板，密集的白云和灰云在空中随着阵风飘移。