4周搞定2000+托福核心词
先于寒武纪→前寒武纪
Precambrian
常考释义
Although named after a site in Australia, the Ediacara formation is worldwide in distribution and dates to Precambrian times.
尽管伊迪卡拉是以澳大利亚的一处地名而命名,但是伊迪卡拉沉积层的分布却遍及世界各地,并且可以追溯到前寒武纪时期。
来源于:阅读OFFICIAL5 P3adj. 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。
Although named after a site in Australia, the Ediacara formation is worldwide in distribution and dates to Precambrian times.
尽管伊迪卡拉是以澳大利亚的一处地名而命名,但是伊迪卡拉沉积层的分布却遍及世界各地,并且可以追溯到前寒武纪时期。
来源于:阅读OFFICIAL5 P3n. 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)。
['pri:'kæmbriən]
基本释义 n. 前寒武纪
常考释义 adj.前寒武纪的;参见:Archaeozoic;Proterozoic【地质】
omnipresent adj. 无所不在的
omni到处+pre前+sen存在,实质+ent表形容词 =到处都出现→无所不在的
precursor n. 先驱;先锋
pre预先+curs跑+or人 =先跑者→先驱
predecessor n. 前任;前辈
pre预先+de偏离+cess行走+or人 =预先走这条路的人→前任,前辈
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