Caerfai
词形变化
the Caerfai
释义与例句
name
-
1.
An age from 542 ± 0.2 to 513 ± 2 million years ago, a subdivision of the Cambrian.
地质
An age from 542 ± 0.2 to 513 ± 2 million years ago, a subdivision of the Cambrian.