Archean
音标[ɑ:'ki:әn]
汉语翻译
n. 太古代
a. 太古代的
a. 太古代的
英语解释
名词 archean:
- the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life同义词：Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon
形容词 archean:
- used of the earliest known rocks同义词：archaean
详细解释
Archean 也作 Ar.chae.an
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
来源：From Greek arkhaios [ancient] * see archaic 源自 希腊语 arkhaios [古代的] *参见 archaic
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