“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	the State of Union Address The State of World Fisheries and Aquaculture the State of Wu the State of Xing the State of XuFang the State of Yan the State of Ying the State of Zeng the state-owned assets regulatory institution the States Directly Under the Central Government The Statesman the states parties to the World Heritage Convention the static against the dynamit the statistical school the statistics of administrative law the statistics of administrative punishments the statistics of autonomous regulations the statistics of civil law the statistics of commercial laws the statistics of constitution the statistics of criminal law the statistics of delinquencies the statistics of economic laws the statistics of illegal activities the statistics of labor and social security laws

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