单词	Priscoan
释义	Priscoan /prɪˈskəʊən / /ˈprɪskəʊən/ adjective Geology 1Relating to or denoting the aeon that (in some schemes) constitutes the earliest part of the Precambrian, preceding the Archaean aeon. It extended from the origin of the earth to about 4,000 million years ago, and has left no identifiable rocks. 1.1 (as noun the Priscoan) The Priscoan aeon. Origin Formed irregularly from Latin priscus 'ancient' + -an.
随便看	spine-bash spine-chiller spine-chilling spined spinel spineless spinelessly spinelessness spinel ruby spinet spinetail spine-tingling Spingarn, Joel Elias spinifex spinifexbird spinifex country spininess spinmeister spinnaker spinner spinnerbait spinner dolphin spinneret spinney spinning

英语词典包含243303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。