Archean

Archean读音音标

英 [ɑ:ˈkiən]

美 [ɑrˈkiən]

Archean意思解释

adj.

太古代的；

英英释义

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

同义词：Archean eonArchean aeonArcheozoicArchaeozoicArcheozoic eonArchaeozoic aeon

adj.

used of the earliest known rocks

同义词：archaean

双语例句

用作形容词(adj.)On seeing the rocks for himself, Fedo, who had just spent a year mapping Archean rocks in Zimbabwe, became extremely skeptical.另一方面，费多由于才刚在辛巴威花了一年时间测定太古代的岩石，现在他亲眼看见这里的岩石，立刻感到非常怀疑。