- overcast
 - ['əuvəkɑ:st, -kæst, ,əuvə'kɑ:st, -'kæst]
 - adj. 阴天的;阴暗的;愁闷的
vt. 使沮丧;包缝;遮蔽 
同义词
           
       参考例子
           - 1.What did overcast you?
 - 究竟是什么令你如此闷闷不乐呀?
 
- 2.He looked with misgiving at the overcast sky.
 - 他不安地看著阴云密布的天空。
 
- 3.Heavy overcast sky, I feel very depressed, as I feel.
 - 天空阴沉沉的,感觉很压抑,一如我的心情。
 
英文解释
           - n.
 - 1.the state of the sky when it is covered by clouds
 - 2.gloomy semidarkness caused by cloud cover
 - 3.a long whip stitch or overhand stitch overlying an edge to prevent raveling
 - 4.a cast that falls beyond the intended spot
 
- v.
 - 1.make overcast or cloudy
 - 2.sew over the edge of with long slanting wide stitches
 - 3.sew with an overcast stitch from one section to the next
 
- adj.
 - 1.filled or abounding with clouds
 
网络释义
               - overcast
 - 阴天; 风桥; 天阴; 覆盖;
 
- thin overcast
 - 较明朗的阴天;
 
- overcast loader
 - 铲斗后卸式装载机;
 
- overcast bombing
 - 云上轰炸;
 
- overcast sky
 - 阴天; 全阴天天空; 阴暗的天空;