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单词 local group
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Lo′cal Group′, [Astron.]
  1. Astronomythe group of galaxies, at least 25 of which are known, that includes the Milky Way.
  • 1915–20

Collins Concise English Dictionary © HarperCollins Publishers::
Local Group n
  1. the cluster of galaxies to which our galaxy and the Andromeda Galaxy belong
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