Cretaceous
白垩纪
发音
其它
/kɹəˈteɪ.ʃəs/
别名
Cretacious
释义与例句
name
-
1.
The geologic period within the Mesozoic era that comprises lower and upper epochs from about 146 to 66 million years ago.
白垩纪
地质
词源
Specific use of cretaceous.
来源:wiktionary