英语词汇“proterozoic”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

proterozoic

释义

Adjective: proterozoic

Formed in the later of two divisions of the Precambrian era
"proterozoic life forms"

Noun: Proterozoic `prowturow'zowik

From 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms
- Proterozoic eon, Proterozoic aeon

See also: early

Type of: aeon, eon

Part of: Precambrian, Precambrian aeon, Precambrian eon, Precambrian period

Encyclopedia: Proterozoic

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