overcast

noun

1. a cast that falls beyond the intended spot

2. a long whipstitch or overhand stitch overlying an edge to prevent raveling

Synonym: overcasting

3. gloomy semidarkness caused by cloud cover

Synonym: cloudiness

4. the state of the sky when it is covered by clouds

Synonym: cloudinesscloud cover

overcast

verb

1. sew with an overcast stitch from one section to the next

e.g. overcast books

2. sew over the edge of with long slanting wide stitches

3. make overcast or cloudy

e.g. Fall weather often overcasts our beaches

Synonym: cloud

adj

1. filled or abounding with clouds

Synonym: cloud-coveredcloudedsunless

1. 多云的；阴沉的；阴天的
If it is overcast, or if the sky or the day is overcast, the sky is completely covered with cloud and there is not much light.

overcast在线翻译

e.g. For three days it was overcast...
连续3天都是阴天。
e.g. The weather forecast is for showers and overcast skies...
天气预报上说多云并伴有阵雨。

1.

1. 阴：fine, clear 晴 | overcast 阴 | wet, humid潮湿

2. 天阴：overburden 覆盖层 | overcast 天阴 | overcrowding 过度拥挤

3. 风桥：overburden thickness 剥离厚度 | overcast 风桥 | overcharge 过载