是什么让鳄鱼如此致命？

up：Seeker What Makes a Croc’s Bite So Deadly? 牙齿，咬合力，死亡翻滚 相关视频：鳄鱼的咬力有多大，它只能淹死猎物吗？：BV1WA411v76d Crocodiles have more than 60 teeth, but they don't chew their food — sometimes they have to perform a death roll ? 是什么让鳄鱼如此致命？