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单词 flocculus
释义

WordReference Random House Unabridged Dictionary of American English © 2024
floc•cu•lus  (flokyə ləs),USA pronunciation n., pl. -li 
    (-lī′).USA pronunciation 
  1. floccule.
  2. Astronomyone of the bright or dark patches on the sun's surface, visible in a spectroheliogram.
  • Neo-Latin; see floccule
  • 1790–1800

Collins Concise English Dictionary © HarperCollins Publishers::
flocculus /ˈflɒkjʊləs/ n ( pl -li / -ˌlaɪ/)
  1. a marking on the sun's surface or in its atmosphere, as seen on a spectroheliogram. It consists of calcium when lighter than the surroundings and of hydrogen when darker
  2. a tiny ovoid prominence on each side of the cerebellum
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