| 释义 |
Paleocene epoch短语⁹⁶⁶⁷⁷⁺⁶
基本英英近义反义例句
古新世
Noun:
from 63 million to 58 million years ago; appearance of birds and earliest mammals近义词 Paleocene古新世
Paleontological studies showed that modern avian groups probably first appeared in the Paleocene and experienced an explosive radiation in the early Cenozoic.古生物学研究表明，现生鸟类的最早出现是在古新世，而爆发性辐射演化发生在新生代早期。 |