So that's the, the total heat load on your body when you're standing on this concrete surface in the middle of the sun.
这就是当你站在阳光下的这个混凝土表面上时你身体的总热负荷。
6 Minute English 六分钟英语
It seems that heat loss - the total heat transferred away from something, is linked to the surface area or total area of the body's outer surfaces when exposed to the cold.
Enthalpy/ˈɛnθəlpi/ is a measurement of energy in a thermodynamic system. It includes the internal energy, which is the energy required to create a system, and the amount of energy required to make room for it by displacing its environment and establishing its volume and pressure.