“Cretaceous Period”的概念、定义、翻译、参考文献-科学参考

单词	Cretaceous Period
释义	Cretaceous Period Encyclopedia 理学中生代释 Cretaceous Period白垩纪中生代最后一个纪（第三个纪）。约开始于1.37亿年前，结束于0.65亿年前。白垩纪形成的地层称白垩系（Cretaceous System）。
随便看	collective self-esteem collective society on sino-Japanese war’s historical document collective support collective trademark collective training for students from different opera classes collective unconscious collective unconsciousness collective vibration collective violence collective voice collective work collective works of one author collective works of various authors Collective Writings from the Literary Prosperity Terrace Collective Writings on the Tieweishan Mountains collectivism collectivism education collectivity collectivization axiom collectivization of farming collectivizing relation collector collectorless flotation collector region collector-type eletrometer

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