Paleocene
n.
古新世
英語翻譯 Noun:
-
from 63 million to 58 million years ago; appearance of birds and earliest mammals
造句
用作名詞(n.)
- Paleontological studies showed that modern avian groups probably first appeared in the Paleocene and experienced an explosive radiation in the early Cenozoic.
古生物學研究表明，現生鳥類的最早出現是在古新世，而爆發性輻射演化發生在新生代早期。
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