英文釋義
of, relating to, or being the last period of the Mesozoic era characterized by continued dominance of reptiles, emergent dominance of angiosperms, diversification of mammals, and the extinction of many types of organisms at the close of the period; also : of, relating to, or being the corresponding system of rocks
例句 Example
Only in the tropics were numerous late Cretaceous groups extinguished during peaks in their evolution.
隻是熱帶地區纔有大批晚白堊紀生物類群正值其演化的極盛時期突然消亡.