请输入您要查询的英文单词:

 

单词 Precambrian period
释义
Precambrian period
(once / 11819311 pages)
n

WORD FAMILY
Precambrian period
USAGE EXAMPLES
Admission: Back in the Precambrian period when I was in high school, I read the CliffsNotes version of John Steinbeck’s “The Grapes of Wrath.”
Scientific American(May 16, 2012)
n the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
Syn|Exp
Precambrian, Precambrian aeon, Precambrian eon
aeon, eon
the longest division of geological time
随便看

 

英语词典包含147318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 3:43:07