pliocene

核心释义

1. 1.

   上新世的:属于新近纪,约530万至170万年前,以人类最早祖先的出现为标志。

   Of a geologic epoch within the Neogene period from about 5.3 to 1.7 million years ago; marked by the appearance of humanity's first ancestors.

上新世；上新世岩