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

在他们冷血动物的头衔下有着恒温的内在，鲨鱼体内有着相互交织的动脉和静脉。

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

他们的四肢和头部也有称为奇迹网的结构。

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.

流向大块游泳肌肉的冷血与离开这些肌肉的温血很靠近，高度特化的血管网称为细脉网。