4周搞定2000+托福核心词
先于寒武纪→前寒武纪
Precambrian
常考释义
adj. 前寒武纪的;参见:Archaeozoic;Proterozoic【地质】
My teachers had told me that the rocks were Precambrian and therefore should not contain fossils, so I told my father about it and he invited one of his friends to come and have a look.
我的老师告诉我这些岩石是前寒武纪的,因此不应该还含有化石,因此我告诉了我的父亲,他邀请他的一位朋友来帮忙看看。
n. the Precambrian:前寒武纪
The first three eons, which together lasted nearly 4 billion years, are together known as the Precambrian.
前三个时期合起来持续了40亿年,合称为前寒武纪(隐生宙)。
以上图片仅供学习交流使用,版权归原作者所有,如有侵权,请与我方联系