请输入您要查询的英文单词:

 

单词 silurian
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Si•lu•ri•an  (si lŏŏrē ən, sī-),USA pronunciation adj. 
  1. Language Varieties, Language Varietiesof or pertaining to the Silures or their country.
  2. Geologynoting or pertaining to a period of the Paleozoic Era, occurring from 425 to 405 million years ago, notable for the advent of air-breathing animals and terrestrial plants. See table under geologic time. 

n. 
  1. Geologythe Silurian Period or System of rocks.
  • Silur(es) + -ian 1700–10

Collins Concise English Dictionary © HarperCollins Publishers::
Silurian /saɪˈlʊərɪən/ adj
  1. of, denoting, or formed in the third period of the Palaeozoic era, between the Ordovician and Devonian periods, which lasted for 25 million years, during which fishes first appeared
n
  1. the Silurianthe Silurian period or rock system
随便看

 

英语词典包含188688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:2025/7/23 17:48:19