adj. 寒武纪的
n. 寒武纪人,威尔士人,寒武纪层
网络 寒武纪的; 前寒武纪; 寒武纪层
This rapid origin and diversification of animals is often referred to as "the Cambrian explosion".
这种迅速的动物起源和种类分化时期常常被称为“寒武纪大爆发”。
The Cambrian explosion involved rapid evolutionary diversification, followed by the extinction of many unique animals.
寒武纪大爆发涉及迅速的进化分化,随之而来的是许多独特动物的灭绝。
The third fossil formation containing both soft-bodied and hard-bodied animals provides evidence of the result of the Cambrian explosion.
第三个化石地层中既有软体动物,也有硬体动物,为寒武纪大爆发的结果提供了证据。
Quartz is quartz—a silicon ion surrounded by four oxygen ions—there´s no difference at all between two-million-year-old Pleistocene quartz and Cambrian quartz created over 500 million years ago.
石英是石英——由四个氧离子围绕的硅离子——200万年前的更新世石英和5亿年前的寒武纪石英之间没有任何区别。
Will zoologists ever know the evolutionary sequences in the Cambrian explosion?
动物学家们会知道寒武纪大爆发时期的进化顺序吗?