Cretaceous

剑桥词典

from or referring to the period of time between around 144 and 65 million years ago, in which plants with flowers first appeared
白垩纪的；来自白垩的（白垩纪为距今约1.44亿年至0.65亿年前的地质时期，有花植物首次出现）
the Cretaceous period 白垩纪
Cretaceous rocks 白垩纪时期的岩石

the Cretaceous

noun [ 单数名词 ] uk


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the Cretaceous period
白垩纪 返回 Cretaceous