overcast

['əuvəkɑ:st]

adj. 阴天的, 阴暗的, 愁闷的
v. 遮盖, （使）变暗, 包边缝
n. 覆盖, 阴天

例句与用法：

It is said that Juno one day, perceiving the skies suddenly overcast, surmised that her husband had raised a cloud to hide some escapade.

据说有一天朱诺看到天空突然乌云密布，就料想这一定是她丈夫兴起一团云来遮盖自己的放荡勾当。

An overcast stitch or seam.

包边缝纫的针脚或线缝

There is a gloomy, overcast expression on his face.

他愁眉苦脸。

It's a bit overcast; it might rain.

天有点阴，可能下雨。

词形变化：

动词过去式: overcast | 动词过去分词: overcast | 动词现在分词: overcasting | 动词第三人称单数: overcasts |

详细释义：

a.

1. (被云等)遮蔽的; 多云的, 阴的

The sky became suddenly overcast with clouds.

乌云密布, 天空突然暗下来。

2. 沮丧的; 忧郁的; 情绪低落的

His handsome countenance was overcast.

他那英俊的面容阴沉沮丧。

3. 包边缝纫的, 缝边的

vt.

1. (云等)遮蔽(天空等), 使阴

The smoky haze overcast the distant mountains.

烟雾笼罩着远处的群山。

2. 使沮丧; 使忧郁

The existence of evil overcasts life.

邪恶的存在使人生变得阴暗。

3. 包缝(边)

vi.

1. 变多云, 变阴

It began to overcast.

天开始变阴了。

2. 变得沮丧(或忧郁)

n.[U]

1. 阴, 阴天

All day today there was a heavy overcast.

今天一整天都是阴天。

2. 沮丧; 忧郁