Proterozoic
n. 元古代, 元古代岩 a. 元古代的, 元古代岩的
发音
US
/ˌpɹoʊt(ə)ɹrəˈzoʊɪk/
其它
US
/ˌpɹoʊt(ə)ɹoʊˈzoʊɪk/
UK
/ˌpɹɒt(ə)ɹəˈzəʊɪk/
UK
/ˌpɹɒt(ə)ɹəʊˈzəʊɪk/
别名
proterozoic
释义与例句
adj.
-
1.
Of or relating to the geologic eon from 2,500 Ma to 541.0±1.0 Ma.
地质
name
-
1.
The eon from 2,500 Ma to 541.0±1.0 Ma, the beginning of the Phanerozoic, marked by the build up of oxygen in the atmosphere and the emergence of primitive multicellular life.
元古宙
地质
词汇关系
近义相关 1
词源
From protero- + -zoic.
来源:wiktionary