quadrupedal

in this new position, our innards were not as well supported as they had been in our quadrupedal ancestors.

在这种情况下，我们的内脏就不会像我们祖先那样被很好地支撑住。

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it may have reared up on its hind legs to reach twigs and leaves, but would normally have been fully quadrupedal.

钉状龙可能用后腿直立起来以接触树叶、树枝，但正常的状态应该是完全四足状态。

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The pterosaur trackway is quadrupedal, with wide gauge.

翼龙足迹为四足行走，行迹宽。

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quadrupedal armored herbivore of the jurassic and cretaceous.

侏罗纪和白垩纪的一种四足有甲食草动物。

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quadrupedal herbivorous dinosaur common in n. america in the late jurassic.

侏罗纪时期北美洲常见的非常大的四足食草恐龙。

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large quadrupedal herbivorous dinosaurs with very long neck and tail; late jurassic.

侏罗纪后期的大的四足食草恐龙，脖子和尾巴很长。

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Huge quadrupedal herbivorous dinosaur common in N. America in the late Jurassic.

侏罗纪时期北美洲常见的非常大的四足食草恐龙。

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