| 释义 | 
		Archean  也作 Ar·chae·an AHD[är-kēʹən] D.J.[ɑːˈkiːən]K.K.[ɑrˈkiən]adj.(形容词)- Of or relating to the oldest known rocks, those of the Precambrian era, that are predominantly igneous in composition.太古代的:所知的最古的前寒武纪时代岩石,其组成成分主要为火成岩的,或与之相关的
 
 - From Greek arkhaios [ancient] * see  archaic 源自 希腊语 arkhaios [古代的] * 参见 archaic
 
  |