“白垩纪末大灭绝”的概念、定义、翻译、参考文献-科学参考

单词	白垩纪末大灭绝
释义	白垩纪末大灭绝 Encyclopedia 理学古生物学释 End-Cretaceous mass extinction白垩纪末大灭绝距今6500万年左右，地球生物圈遭受的一次大规模的集群灭绝事件。
随便看	connect everything to everything connect-Four connectible Connecticut State connectin connecting connecting and crossing of track connecting beam connecting flight connecting homomorphism connecting lemma connecting leveling line connecting line connecting line segment connecting map from K1 to K0 connecting map from K_1 to K_0 connecting mapping connecting morphism connecting object connecting path connecting plane connecting point connecting rod connecting-rod connecting rod beating-up mechanism

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