Inside their bodies, they have bundles of arteries and veins called rete mirabile.

在他们冷血动物下有着恒温内在，鲨鱼体内有着相互交织动和静。

And they've also got structures called rete mirabile systems in their limbs and their head.

他们四肢和部也有称为奇迹网结。

Cold blood on its way to the large swimming muscles passes close to warm blood leaving those muscles in a specialized network of blood vessels known as a rete mirabile.

流向大块游泳肌肉冷血与离开这些肌肉温血很靠近，高度特化血管网称为细网。