archean是什么意思
2023-12-02 16:40:16
archean
adj. 太古代的
近义词：archaeozoic，Archeozoic，Archaean，
英英释义
Noun
- the time from 3,800 million years to 2,500 million years ago; earths crust formed; unicellular organisms are earliest forms of life
Adjective
- of or relating to the earliest known rocks formed during the Precambrian Eon
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。