| 释义 |
Cretaceous
UK [krɪ'teɪ.ʃəs] US [kret'eɪ-] adjective
■from or referring to the period of geological time between around 144 and 65 million years ago, in which plants with flowers first appeared 白垩纪的；来自白垩纪的（白垩纪：距今约1.44亿年至6500万年前的地质时期，有花植物首次出现）•the Cretaceous age/period白垩纪 •Cretaceous rocks白垩纪时期的岩石 |