| 单词 | altocumulus |
| 释义 | altocumulus noun[U] environmentspecializeduk/ˌæl.təʊˈkjuː.mjə.ləs/us/ˌæl.toʊˈkjuː.mjə.ləs/atypeofcumulus(= atall,rounded,whitecloudwith aflatbase)foundatmediumheight, above thelevelofcumulus 高积云Compare cirrocumulus stratocumulus  Amer Ghazzal/Moment/GettyImages Precipitation: clouds, dew, fog & steam
Examplesofaltocumulusaltocumulus It is a fairly uncommon phenomenon, most often observed inaltocumulus, cirrocumulus, lenticular clouds and cirrus clouds. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.The presence ofaltocumulusundulatus may indicate precipitation within the next 20 hours or simply an overcast day. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Extensivealtocumulusformations, particularly if they take the form of undulatus are often referred to asaltocumulusmackerel sky. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.This often does not apply when stratocumulus is of a broken, fractus form, when it may appear as small asaltocumulus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Altocumulusis also commonly found between the warm and cold fronts in a depression, although this is often hidden by lower clouds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Cirrocumulus is distinguished fromaltocumulusin several ways, although the two stratocumuliform genus types can occasionally occur together with no clear demarcation between them. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Cirrocumulus generally occur at higher altitudes thanaltocumulus, and thus the cloudlets appear smaller as they are more distant from observation at ground level. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.An example of this would be an opaque layer ofaltocumulusstratiformis arranged in seemingly converging rows. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.There may be another rare type ofaltocumulus,altocumulusundulatus asperatus, but this has not been officially named yet. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.All three are associated with the stratiformis species ofaltocumulusand stratocumulus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In addition, the prevalence ofaltocumuluscastellanus clouds was an indicator for additional severe weather later in the day. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Altocumulusclouds can form via convection or via the forced uplift caused by a warm front. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The best-known is cumulonimbus with mammatus, but the mamma feature is also seen occasionally with cirrus, cirrocumulus,altocumulus, altostratus, and stratocumulus. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These include middle-tage layers of "altocumulus" and "altostratus" as well as low "stratocumulus", and "stratus". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In the middle tage are the alto clouds, which consist of the limiited-convective cumuliform or stratocumuliform cloudaltocumulusand the stratiform cloud altostratus. 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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