Proterozoic

Proterozoic读音音标

英 [ˌprɔtərəˈzəuik]

美 [ˌprɑtərəˈzoɪk, ˌprotə-]

Proterozoic意思解释

n.& adj.

原生代（的）；

英英释义

n.

from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

同义词：Proterozoic eonProterozoic aeon

adj.

formed in the later of two divisions of the Precambrian era

\"proterozoic life forms\"

词组短语

proterozoic era

双语例句

用作名词(n.)Early Proterozoic high-pressure metamorphism in the Wutaishan.五台山早元古代高压变质作用研究。Wangjiawaizi gold deposit occurrs in Lower Proterozoic opimetamorphic rock series.王家崴子金矿床赋存于辽南古元古代浅变质岩系中。用作形容词(adj.)Boron deposits of eastern Liaoning occur in a suite of Early Proterozoic metamorphic rocks, with boron orebodies existent in magnesian marble.辽东硼矿床产于早元古代的一套变质岩内，硼矿体赋存于镁质大理岩中。