网站首页  词典首页

请输入您要查询的英文单词:

 

单词 Ordovician
释义
Ordovician
adjective geology specialized uk/ˌɔː.dəˈvɪʃ.ən/ us/ˌɔːr.dəˈvɪʃ.ən/
奥陶纪的(距今约4亿8千5百万年至4亿4千5百万年前间,此时水中已有许多动物包括脊椎动物,但是陆地上还没有动物)
from or referring to the period of time between about 485 and 445 million years ago, in which there were many different types of animals in the sea, including vertebrates (= animals with back bones), but no life on land
the Ordovician period 奥陶纪
Ordovician fish 奥陶纪的鱼类

the Ordovician

noun [ S ]
奥陶纪
the Ordovician period
随便看

 

英汉双解词典收录81607条英汉双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Enabbr.net All Rights Reserved
京ICP备2021023879号-26 更新时间:2025/4/3 11:31:26