Penguins show changes in their wing bones and a reduction of their flight feathers.

企鹅的翼骨发生了变化，飞羽也减少了。

I just took the wing bone out and put it on the floor and laid down next to it and took a picture with my cell phone because it was longer than my whole arm — one of the three bones.

我把翅骨拿出来放在地板上，然后躺在它旁边，用手机拍了一张照片，因为作为三根骨头中的它，比我的整条手臂还长。

I just took the wing bone out and put it on the floor and laid down next to it and took a picture with my cell phone because it was longer than my whole arm—one of the three bones.

Ksepka：我只是把翼骨拿出来放在地板上，然后躺在它旁边，用手机拍了一张照片，因为它比我的整条手臂都长——三块骨头中的一根。