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cretaceous period

/krɪˈteɪʃəs ˈpɪəriəd/

翻译: 地质年代中中生代的第三个也是最后一个纪,约距今1.45亿年至6600万年,以恐龙繁盛和被子植物出现为特征。

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phrase

/krɪˈteɪʃəs ˈpɪəriəd/C1formalscientific
  • zh地质年代中中生代的第三个也是最后一个纪,约距今1.45亿年至6600万年,以恐龙繁盛和被子植物出现为特征。

A geological time period that lasted from about 145 to 66 million years ago, the third and final period of the Mesozoic Era, known for the dominance of dinosaurs and the appearance of flowering plants.

  1. Geological time periodC1formal

    The third and final period of the Mesozoic Era, lasting from approximately 145 to 66 million years ago, known for the dominance of dinosaurs and the appearance of flowering plants.

    zh白垩纪

    • The Cretaceous Period ended with a mass extinction event.
    • Many famous dinosaurs like Tyrannosaurus rex lived during the Cretaceous Period.
    • Chalk deposits from the Cretaceous Period are found in many parts of Europe.