Word · Frequency #21438
overcast
阴天;云层覆盖
核心释义
The state of the sky when it is covered by clouds; a cloud layer covering the whole sky from horizon to horizon.
- 1.
覆盖整个天空从地平线到地平线的云层。
A cloud covering all of the sky from horizon to horizon.
- 2.
天空被云层覆盖的状态
the state of the sky when it is covered by clouds
- 3.
一条道路横跨另一条道路的地方,特指为通风目的而建在另一条气道之上的气道。
A place where one roadway crosses another, specifically where an airway was built across the top of another airway for ventilation purposes.
- 4.
云层导致的阴暗半黑暗
gloomy semidarkness caused by cloud cover
- 5.
一种长鞭缝或绕边缝,覆盖边缘以防止脱线
a long whipstitch or overhand stitch overlying an edge to prevent raveling
昏暗;阴暗;包边缝;锁边线迹;风桥;通风交叉巷道;覆盖整个天空从地平线到地平线的云层。;天空被云层覆盖的状态
用法In use
The overcast lasted all morning, so we canceled our picnic.
用法提示:名词overcast表示天空被云覆盖的阴暗状态。
A heavy overcast turned the afternoon into twilight.
用法提示:名词overcast指浓密的云层导致的阴沉天色。
We've had several overcasts this week, with no sunshine at all.
用法提示:复数overcasts表示多次阴天天气。
the overcast + [verb]
这里 overcast 是名词,指云层完全遮住天空的状态。
The overcast lifted by noon.
到中午时阴天散去了。
under the overcast
under the overcast 表示“在云层覆盖之下”,常用于描写天色昏暗。
The city looked gray under the overcast.
相关词与表达Connections
搭配Collocations
- a thick overcast
- 厚厚的云层;浓密的阴天
- A thick overcast hid the sun all morning.厚厚的云层整个上午都遮住了太阳。
- the overcast lifted
- 阴云散去
- The overcast lifted in the afternoon, revealing a clear blue sky.下午阴云散去,露出了清澈的蓝天。
- a gray overcast
- 灰蒙蒙的云层
- A gray overcast made the whole city look gloomy.灰蒙蒙的云层让整座城市显得阴沉。
- low overcast
- 低垂的云层;低云层
- The plane had to delay landing because of the low overcast.由于低垂的云层,飞机不得不推迟着陆。
学习提示Learner notes
记忆技巧Memory Tip
over(在…之上)+ cast(投)→ 云层像被投在天空上方,遮住阳光,就是阴天。
语境与语域Context & Register
语域:neutral 常见场景:weather forecasts、descriptions of a cloudy sky 作为名词时,overcast 通常用于天气语境,指天空被云层覆盖或多云的状态,口语和书面语中都比较常见。其他专业义项(如航空、缝纫)较少用,需根据上下文判断。
语法说明Grammar Note
可数名词,指天空被云覆盖的状态或阴暗半暗,或一种长针脚缝法。
发音与拼写Pronunciation & Spelling
cast、forecast、broadcast、past、last 都以 /æst/ 结尾,和 overcast 的 -cast 发音相同(押韵)。注意:overcoat 虽然拼写上以 over- 开头,但读作 /ˈoʊvərkoʊt/,结尾是 /koʊt/,与 overcast 的 /kæst/ 完全不同,不要混淆。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.