All right, we should talk a second about something called solar insolation, not insolation, insolation with an O. And this is how much solar warmth reaches the Earth's upper atmosphere.

好吧，我们得先谈一下所太阳辐射，不是“缘”，是“辐射”带一O。是有多少太阳热量到达地球上层大气。