Proterozoic

[ˌprɔtərəˈzəuik] [ˌprɑtərəˈzoɪk, ˌprotə-]
相关单词 Proterozoic era
例句
英英词典释义
  • Adjective
    1. formed in the later of two divisions of the Precambrian era;
    "proterozoic life forms"