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archeozoic

英 美
  • adj. 始生代

详细释义

Noun:
  1. the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life

Adjective:
  1. of or belonging to earlier of two divisions of the Precambrian era;

    "archeozoic life forms"

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