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 寒武紀的; 古生代的第一個紀，在此紀海生無脊椎動物，尤其是三葉蟲処於旺盛時期
2. N the Cambrian period or rock system 寒武紀; 寒武系(寒武紀形成的巖石系統)
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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
寒武紀的（寒武紀，距今約5.43億至4.9億年前的地質時期，無脊椎動物開始大量出現。）
the Cambrian period 寒武紀時期
Cambrian rocks 寒武紀時期的巖石
the Cambrian
noun [ 單數名詞 ] ukYour browser doesn't support HTML5 audio
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the Cambrian period
寒武紀 返回 Cambrian