单词 | archaeozoic |
释义 | archaeozoic (once / 11819311 pages) adj WORD FAMILY archaeozoic adj of or belonging to earlier of two divisions of the Precambrian era Syn archeozoic early at or near the beginning of a period of time or course of events or before the usual or expected time Archaeozoic (extremely rare) n WORD FAMILY Archaeozoic USAGE EXAMPLESThe remainder of Finland is built up of the oldest known crystalline rocks belonging to the Archaeozoic or Algonkian period. Various, Encyclopaedia Britannica, 11th Edit...(2011) n the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life Syn|Exp Archaeozoic aeon, Archean, Archean aeon, Archean eon, Archeozoic, Archeozoic eon aeon, eon the longest division of geological time |
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