• The common ancestor of whales and of all other land animals was a flatheaded, salamander -shaped tetrapod that hauled itself out of the sea onto some muddy bank about 360 million years ago.

    其他陆地动物共同祖先平头蝾螈动物,大约与3.6亿年前,他们着(笨重)身躯,离开大海爬上泥泞岸边

    youdao

  • The common ancestor of whales and of all other land animals was a flatheaded, salamander -shaped tetrapod that hauled itself out of the sea onto some muddy bank about 360 million years ago.

    其他陆地动物共同祖先平头蝾螈动物,大约与3.6亿年前,他们着(笨重)身躯,离开大海爬上泥泞岸边

    youdao

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