| 词汇 | cirrocumulus |
| 释义 | cirrocumulus noun[ U ] environment specializeduk /ˌsɪr.əʊˈkjuː.mjə.ləs/ us /ˌsɪr.oʊˈkjuː.mjə.ləs/ a type of cumulus (= a tall, rounded, white cloud with a flat base) formed in a very thin layer and often in a regular pattern卷积云（一种稀薄的高空云，由一系列规则排列的白云堆积形成,底部扁平） Compare altocumulus stratocumulus Richard Newstead/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 A few cirrocumulus clouds were coming up from the east when we started, but we left them behind, and nothing was visible during the night but a thin hazy veil. A few cirrocumulus continued to pass over towards east. Towards afternoon, cirrocumulus and cirrostratus began to appear moving northward. Examples of cirrocumuluscirrocumulus It is a fairly uncommon phenomenon, most often observed in altocumulus, cirrocumulus, lenticular clouds and cirrus clouds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cirrocumulus lenticularis forms when stable air is forced upward; this is usually due to orographic features, but can occur away from mountains as well. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cirrocumulus clouds never cast self-shadows and are translucent to a certain degree. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Convection at high altitudes can produce another high-based genus called cirrocumulus, a pattern of small cloud tufts that contain droplets of supercooled water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cirrocumulus castellanus is an indicator of atmospheric instability at the level of the cloud. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Like cirrocumulus castellanus, cirrocumulus floccus is an indicator of atmospheric instability at the level of the cloud. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In fact, cirrocumulus floccus can form from cirrocumulus castellanus, being the evolutionary state after the base of the original cloud has dissipated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cirrocumulus are, like other members of the cumuliform and stratocumuliform categories, formed via convective processes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The resulting cloud forms may resemble cirrus, cirrocumulus, or cirrostratus, and are sometimes called cirrus aviaticus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The other two genera, cirrocumulus and cirrostratus, are also high clouds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. High-tage tropospheric genus-types, "cirrus", "cirrocumulus", and "cirrostratus", particularly show this duality with both short-wave albedo cooling and long-wave greenhouse warming effects. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Unlike other high cirrus and cirrostratus, cirrocumulus includes a small amount of liquid water droplets, although these are in a supercooled state. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cirrocumulus clouds come in four species: "stratiformis", "lenticularis", "castellanus", and "floccus". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cirrocumulus stratiformis occurs as very small cirrocumulus clouds that cover a large part of the sky. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The high-tage clouds are all cirriform, one of which, cirrocumulus, is also cumuliform of limited convection or stratocumuliform. 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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