cambrian-ordovician period的意思|示意
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寒武-奥陶系时期
cambrian-ordovician period的网络常见释义
寒武奥陶纪 寒武—奥陶纪
cambrian-ordovician period相关例句
The research team that studied the fossils described them as Marine animals that lived during the early part of a period that followed the Cambrian, known as the Ordovician.
该研究小组认为，研究这些化石形容，在随后的一个时期的寒武系，奥陶系已知的早期的海洋动物生活的一部分他们。