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单词 archean
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Ar•che•an  (är kēən),USA pronunciation adj. Geol.
  1. Geologynoting or pertaining to rocks of the Archeozoic portion of the Precambrian Era.
Also, Archaean. 
  • Greek archaî(os) ancient (see archaeo-) + -an
  • 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
Archean /ɑːˈkiːən/ adj
  1. a variant spelling (esp US) of Archaean
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