• 此次大灭绝之前孔目爬行动物(一种类哺乳动物)远远多于恐龙祖先祖龙

    Until this disaster, mammal-like creatures known as therapsids were actually more numerous than the ancestors of the dinosaurs, known as archosaurs.

    youdao

  • 此次大灭绝之前孔目爬行动物(一种类哺乳动物)远远多于恐龙祖先祖龙

    Until this disaster, mammal-like creatures known as therapsids were actually more numerous than the ancestors of the dinosaurs, known as archosaurs.

    youdao

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