“Silurian”的概念、定义、翻译、参考文献-科学参考

单词	Silurian
释义	Silurian [si`lu̇r·ē·ǝn] ^GEOLOGY 1. A period of geologic time of the Paleozoic era, covering a time span of between 430-440 and 395 million years ago. 2. The rock system of this period.
随便看	viral shedding virazon viremia Vireonidae virga virgate virgate trophus Virgin virgin virgin medium virgin neutron virgin stock virgin wool Virgo Virgo A Virgo cluster virgo-forcipate trophus Virgo Supercluster Virgo X-1 virial coefficients virial of a system virial theorem virial-theorem mass viridans streptococci virilism

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