When a pterosaur walked or remained stationary, the fourth finger, and with it the wing, could only turn upward in an extended inverted V-shape along each side of the animal's body.

  • 当翼龙走路或静止时,第四指及其翼,只能向上翻转,成一个伸展且内翻的V型,在其身体两侧。

  • 互联网 2025-03-07 23:07:16

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