Cambrian
柯林斯词典
1. ADJ of, denoting, or formed in the first 65 million years of the Palaeozoic era, during which marine invertebrates, esp trilobites, flourished 寒武纪的; 古生代的第一个纪，在此纪海生无脊椎动物，尤其是三叶虫处于旺盛时期
2. N the Cambrian period or rock system 寒武纪; 寒武系(寒武纪形成的岩石系统)
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Cambrian /ˈkæmbrɪən/
剑桥词典
- from or referring to the period of time between about 543 and 490 million years ago, in which many different types of invertebrates (= animals with no back bone ) first appeared
寒武纪的（寒武纪，距今约5.43亿至4.9亿年前的地质时期，无脊椎动物开始大量出现。）
the Cambrian period 寒武纪时期
Cambrian rocks 寒武纪时期的岩石
the Cambrian
noun [ 单数名词 ] ukYour browser doesn't support HTML5 audio
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the Cambrian period
寒武纪 返回 Cambrian