The Cambrian Age的意思|示意

Sprigg was excited by both the unusual appearance of the fossils and by their age, which he believed to be the beginning of the Cambrian, and made them the oldest animal forms yet seen.

斯普里格感到十分兴奋，因为化石外观很不寻常，并且他相信化石上的生物属于寒武纪起始的那段时期，这样一来，化石上的生物便是当时发现的最古老的动物物种了。

The studied carbonate rocks dealt with in this paper were collected from the classic section of the Cambrian to Lower Ordovician age at Duibian of Jiangshan, Zhejiang.

对浙江江山碓边下寒武统上部—下奥陶统下部碳酸盐岩进行了碳氧同位素测定。