请输入您要查询的英文单词:

 

单词 Laurentia
释义
Lau·ren·tia (lô-rĕnshə)
n.
The North American craton which, according to the theory of plate tectonics, has existed since the Paleozoic Era and was once part of a supercontinent comprising present-day North America and Greenland.

[After the Laurentian Shield, the continental shield underlying northeast North America that forms the nucleus of the North American continent, after the SAINT LAWRENCE RIVER.]
随便看

 

英语词典包含135693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:2025/1/23 12:36:18