请输入您要查询的英文单词:

 

单词 non-avian dinosaur
释义

non-avian dinosaur

noun

variants or nonavian dinosaur
plural non-avian dinosaurs or nonavian dinosaurs
: any dinosaur that is not a bird
These new data show that certain non-avian dinosaurs and early birds shed their skin in ways very similar to that of modern birds and mammals. Hanneke Meijer
Following a mass extinction at the end of the Cretaceous period some 65 million years ago, an event that drove non-avian dinosaurs extinct, the size and diversity of mammals exploded over a 15-million-year period, researchers say. Pete Spotts
Whereas the last of the nonavian dinosaurs certainly perished 64.5 million years ago, many other animals survived … James Gurney
compare avian dinosaur

Word History

First Known Use

1988, in the meaning defined above

随便看

 

英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 10:32:50