请输入您要查询的英文单词：

　

单词 silurian
释义

Silurian

​noun
DEFINITIONS1
  1. 1
    the geological era before the Devonian, from about 439 to 409 million years ago
    The first true fish and land plants appeared during the Silurian.
    Submitted from:
    United Kingdom on 31/10/2019
    Open Dictionary - October2019
Noun☞Silurian
随便看

　

英语词典包含67175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：2025/11/3 8:56:16