vt. (overcast) 1.云遮掉，使阴；使暗。 2.包边缝拢。 3.过远地撒(鱼网等)。 vi. 阴起来，暗起来。 adj. 多云的，阴的；阴郁的，愁闷的。 The sky is overcast with black clouds. 天空乌云密布。 a overcast day 阴天。 n. 1.覆盖；阴暗的天空。 2.【矿物】风桥。 3.(网等)过远的一撒。
filled or abounding with clouds 同义词：cloud-covered, clouded, sunless,
sew with an overcast stitch from one section to the next; "overcast books"
sew over the edge of with long slanting wide stitches
make overcast or cloudy; "Fall weather often overcasts our beaches" 同义词：cloud,
a cast that falls beyond the intended spot
a long whipstitch or overhand stitch overlying an edge to prevent raveling 同义词：overcasting,
gloomy semidarkness caused by cloud cover 同义词：cloudiness,
the state of the sky when it is covered by clouds 同义词：cloudiness, cloud cover,
Overcast or overcast weather, as defined by the World Meteorological Organization, is the meteorological condition of clouds obscuring all of the sky.Aerodrome Weather Report - World Meteorological Organization Overcast, written as "OVC" in the METAR observation, is reported when the cloud cover is observed to equal eight oktas (eighths).
例句与用法
1.
The sky is overcast with black clouds . 天空乌云密布。
2.
Today is fair. tomorrow may be overcast with clouds . 今天天色晴朗，明天又密布阴云。
3.
Her face was overcast with sadness . 她脸色阴沉。
4.
The sky is overcast with dark clouds . 乌云满天。
5.
It was a dull, close, overcast summer evening . 这是夏天里一个阴霾四布，空气沉闷的晚上。
6.
The sky was overcast , the ligtning leaped from cloud to cloud . 乌云盖顶，电光在云块间闪动。
7.
Tomorrow will be overcast . 明天是阴天。
8.
St. clare's fine countenance was for a moment overcast . 圣克莱亚英俊的面孔一下子变得十分阴郁。
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