He's made hard metal sweat with the exertion of killing.

他让坚硬的金属流淌着杀戮的强力。

The heat of the fire made sweat stream down his forehead and cheeks but he did not wipe it off.

炽热的火光使他满头满脸汗水流个不停，但是他从没擦过。

That's because the skin that covers our bodies—including our fingers—makes sweat and oil.

那是因为覆盖我们身体的皮肤——包括我们的手指——会出汗和出油。

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。