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单词 cirrocumulus
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WordReference Random House Unabridged Dictionary of American English © 2024
cir•ro•cu•mu•lus  (sir′ō kyo̅o̅′myə ləs),USA pronunciation n., pl. -lus. 
  1. Meteorologya cirriform cloud of a class characterized by thin, white patches, each of which is composed of very small granules or ripples: of high altitude, ab. 20,000–40,000 ft. (6000–12,000 m).
  • 1795–1805; cirro- + cumulus
cir′ro•cu′mu•lar, cir•ro•cu•mu•la•tive  (sir′ō kyo̅o̅′myə lā′tiv, -lə tiv),USA pronunciation cir′ro•cu′mu•lous, adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
cirrocumulus /ˌsɪrəʊˈkjuːmjʊləs/ n ( pl -li / -ˌlaɪ/)
  1. a high cloud of ice crystals grouped into small separate globular masses, usually occurring above 6000 metres (20 000 feet)
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更新时间：2024/11/10 8:31:15