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cretaceous

US [krɪ'teɪʃəs]
UK [krɪ'teɪʃəs]
  • adj.白垩纪的
  • n.【地】白垩纪[系]
  • Web白垩的;白垩系;白垩记
Cretaceous
adj.
1.
白垩纪的of the period between around 146 to 65 million years ago, when dinosaurs lived (until they died out); of the rocks formed during this time

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