Now, it's been assumed that primates and some other mammals stood alone at the top of the hierarchy of cognitive evolution.

现在，人们默认灵长类动物和其他一些哺乳动物独自站在认知进化等级的顶端。

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Now, it's been assumed that primates and some other mammals stood alone at the top of the hierarchy of cognitive evolution.

现在，人们默认灵长类动物和其他一些哺乳动物独自站在认知进化等级的顶端。

youdao