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单词 archean aeon
释义
Archean Aeon
nnoun.timethe time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
Synset:Archaeozoic Archaeozoic aeon Archean Archean aeon Archean eon Archeozoic Archeozoic eon
Derivationally Related Form:archaeozoicarcheozoicarchean
Part Holonyms:Precambrian Precambrian aeon Precambrian eon Precambrian period
Instance Hypernyms:aeon eon
Inherited Hypernyms:archeaneongeological timetimeattributeabstractionentity
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更新时间:2024/11/10 19:10:57