“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	Nantong Model Nantong Port Nantong School of Peking Opera Nantong Shi Nantong simulation embroidery Nantong Textile Museum Nantong Xingdong International Airport Nantou Nantou Zhen Nantuo Formation Nantuozi Dao Nanumanga Nanumanga Fire Caves Nanumea Nanwan Houdao Shengtai Lvyouqu Nanwan Reservoir Nanwanzibei nanw cell detector Nan Wei Nanwu Sect of Taoism Nan Xian Nanxiangtangshan grottoes Nanxi Jiang Nanxing Nan-xi of Chinese opera

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