| 单词 | nimbostratus |
| 释义 | nimbostratus noun[U] environmentspecializeduk/nɪm.bəʊˈstrɑː.təs/us/nɪm.boʊˈstreɪt̬.əs/atypeofstratus(=flatgreycloud)formedin awidethicklayerat alowleveland usuallycarryingrain 乱层云（低空的一种平坦的暗灰色层云，云层厚、面积大，多携带雨水）Compare altostratus cirrostratus  Thomas Janisch/Moment/GettyImages Precipitation: clouds, dew, fog & steam
Examplesofnimbostratusnimbostratus Nimbostratususually has a thickness of about 2000 m. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.Nimbostratusand some cumulus in this family usually only achieve comparatively moderate vertical extent. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Nimbostratuscan have multiple associations as low, middle, or multi-tage depending on the criteria used by various authorities. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Of the latter, "upward-growing" cumulus mediocris produces only isolated light showers, while "downward growing"nimbostratusis capable of heavier, more extensive precipitation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The occurrence of cumulonimbus andnimbostratustogether is uncommon, and usually onlynimbostratusis found at a warm front. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Downward-growingnimbostratuscan be as thick as most upward-growing vertical cumulus, but its horizontal extent tends to be even greater. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Lightning from an embedded cumulonimbus cloud may interact with thenimbostratusbut only in the immediate area around it. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The cloud layer achieves significant vertical extent as it lowers and changes intonimbostratus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It retains the same features as a normalnimbostratuscloud; dark in appearance, low to medium level cloud of moderate vertical development and made up of sheets. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Stratiform precipitation falls out ofnimbostratusclouds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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