cloudiness
  陰暗,光澤暗晦,朦朧
  Cloud·i·ness, n. The state of being cloudy.
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  cloudiness
       n 1: the quality of being cloudy [syn: murkiness, muddiness]
       2: the state of the sky when it is covered by clouds [syn: cloud
          cover, overcast]
       3: gloomy semidarkness caused by cloud cover [syn: overcast]