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cretaceous
英 [krɪˈteɪʃəs] 美 [krɪˈteɪʃəs]

  • adj. 白垩纪的；似白垩的
  • n. 白垩纪；白垩系

网络释义英英释义

短语

Cretaceous 白垩纪 ; 白垩的

the Cretaceous period 白垩纪 ; 白垩纪时期

Cretaceous Period 白垩纪 ; 生活在白垩纪时期

Cretaceous Research 白垩纪研究

Early Cretaceous 早白垩纪

Lower Cretaceous 白垩纪早期

Late Cretaceous 晚白垩世

cretaceous transgression 白垩纪海进

Upper Cretaceous 白垩纪晚期 ; 上白垩统

 更多收起网络短语

cretaceous [ kri'teiʃəs ]

  • n. from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants

    同义词： Cretaceous period

  • adj.
    • abounding in chalk
    • of or relating to or denoting the third period of the Mesozoic era

以上来源于: WordNet

 柯林斯英汉双解大词典 

cretaceous /krɪˈteɪʃəs/

  • 1. 

    ADJ consisting of or resembling chalk (像)白垩的

双语例句原声例句权威例句

  • Fifty-seven feet long and up to nine tons, spinosaurus started poking his head around the early Cretaceous some 100 million years ago.

    57英尺长，9吨重，棘龙在大约1亿年前的白垩纪早期就开始四处活动。

    youdao

  • These animals were not as sensitive to climate changes in the Cretaceous period as they are today.

    这些动物在白垩纪对气候变化不像今天这样敏感。

    youdao

  • Scientists have linked the mass extinction at the end of the Cretaceous with a meteorite impact on Earth.

    科学家将白垩纪末期的大灭绝与地球上的陨石撞击联系起来。

    youdao

更多双语例句

  • These creatures lived more than sixty-five million years ago, during Earth's late Cretaceous period.

    VOA: special.2010.10.05

  • The fifth, the end-Cretaceous event, which occurred sixty-five million years ago, exterminated not just the dinosaurs but seventy-five per cent of all species on earth.

    NEWYORKER: The Sixth Extinction?

  • When people began to believe the impact theory, they started looking for other Cretaceous-end anomalies.

    ECONOMIST: The rise of the dinosaurs

  • The question is one of the most hotly contested in palaeontology and revolves around an apparent gap in the fossil record immediately prior to the K-T boundary - the distinct layer of geological sediments separating the Cretaceous and Tertiary periods, and associated with a massive asteroid impact and global extinction event.

    BBC: Closing the 'three metre gap'

更多权威例句

词组短语

cretaceous period 白垩纪

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