| 词汇 | nimbostratus |
| 释义 | nimbostratus noun[ U ] environment specializeduk /nɪm.bəʊˈstrɑː.təs/ us /nɪm.boʊˈstreɪt̬.əs/ a type of stratus (= flat grey cloud) formed in a wide thick layer at a low level and usually carrying rain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 billow brume chemtrail cirrus cloudily cloudlessly haze haze over lowering misty moisture nimbus overcast pall Scotch mist steam (something) up steamily sub-visible vapour trail vog These are rain clouds, or nimbostratus clouds. Examples of nimbostratusnimbostratus Nimbostratus usually has a thickness of about 2000 m. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nimbostratus and 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. Nimbostratus can 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" nimbostratus is 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 and nimbostratus together is uncommon, and usually only nimbostratus is found at a warm front. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Downward-growing nimbostratus can 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 the nimbostratus but 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 into nimbostratus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It retains the same features as a normal nimbostratus cloud; 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 of nimbostratus clouds. 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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