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更新时间:2026-07-07 23:45:38

extragalactic nebula

extragalactic nebula是什么意思?

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单词
extragalactic nebula
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  • 英英释义

Noun:
  • (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust;

    "`extragalactic nebula' is a former name for `galaxy'"

  • 近义词

  • 临近词

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