overcast

adj.

天阴的，多云的；

vt.

使沮丧；包缝；遮蔽；

n.

[气象学]阴，阴天；遮盖物(尤指云、雾等；郁闷，忧愁，沮丧；[采矿]风桥

复数：overcasts过去式：overcast过去分词：overcast现在分词：overcasting第三人称单数：overcasts

overcast sky阴天

1. Overcast mornings are the sure forerunners of steady rain.
   早晨阴天预示肯定下雨。
2. The overcast sky creates beautiful silvery reflections in water.
   在阴天创造了美丽的银色反射在水中。

Overcast: Forensic Discovery in Cloud Environments
Overcast:reliable multicasting with on overlay network
Overcast : Reliable multicasting with an overlay network
Recent Temperature Changes during Overcast and Clear Skies in the United States.
A model of thermal radiation from partly cloudy and overcast skies
Reduced carbon sequestration in terrestrial ecosystems under overcast skies compared to clear skies
Significance of summer fog and overcast for drought stress and ecological functioning of coastal California endemic plant species.
Polarization patterns of thick clouds: overcast skies have distribution of the angle of polarization similar to that of clear skies
Photosynthetically-active radiation: sky radiance distributions under clear and overcast conditions
Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations