Proterozoic
adj. 元古代的;元古代岩石的;原生代的
n. 元古代;元古代岩系;原生代
例句
The history of Earth is divided into four eons —starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。
This paper divides the Paleozoic - Middle-Upper Proterozoic marine basins into the closed bearing basin type and open relief basin type.
本文把古生界一中、上元古界海相盆地分为封闭型承压盆地和开启型泄压盆地两大类型。
The history of Earth is divided into four eons - starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.