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来源:雅诚德英语网
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”。
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”。