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单词 precambrian period
释义

Precambrian period


Thesaurus
Noun1.Precambrian period - the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years agoPrecambrian, Precambrian aeon, Precambrian eonProterozoic, Proterozoic aeon, Proterozoic eon - from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organismsArchaeozoic, Archaeozoic aeon, Archean, Archean aeon, Archean eon, Archeozoic, Archeozoic eon - the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life

Precambrian period


Related to Precambrian period: Precambrian eon, Paleozoic era
  • noun

Synonyms for Precambrian period

noun the eon following the Hadean time and preceding the Phanerozoic eon

Synonyms

  • Precambrian
  • Precambrian aeon
  • Precambrian eon

Related Words

  • Proterozoic
  • Proterozoic aeon
  • Proterozoic eon
  • Archaeozoic
  • Archaeozoic aeon
  • Archean
  • Archean aeon
  • Archean eon
  • Archeozoic
  • Archeozoic eon
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更新时间:2025/1/9 8:20:02