But a bunch of that energy was used to do things like keep your heart beating, and breathe, and make sweat, and some of that was lost to the surroundings in the form of random movement, and most importantly, heat.

但是这些能量中的一部分被用来做一些事情， 比如让你的心跳、呼吸和出汗，其中一些以随机运动的形式散失到周围环境中， 最重要的是， 热量。