| 单词 | Precambrian |
| 释义 | Precambrian From Longman Dictionary of Contemporary EnglishPrecambrianPre·cam·bri·an /priːˈkæmbriən/ adjectivebelonging or relating to the period of time in the Earth’s history from about 4,600 million years ago, when the hard outer surface of the Earth first formed, until about 570 million years ago, when simple forms of life first appeared on the EarthPrecambrian rocks |
| 随便看 |
|
英语词典包含170365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。