Cretaceous怎么读，是什么意思，单词翻译、读音

英语单词:Cretaceous

意思翻译

Cretaceous

adjective geology specialized uk/krəˈteɪ.ʃəs/ us/krəˈteɪ.ʃəs/

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）

from or referring to the period of time between around 144 and 65 million years ago, in which plants with flowers first appeared

the Cretaceous period 白垩纪

Cretaceous rocks 白垩纪时期的岩石

the Cretaceous

白垩纪

the Cretaceous period