indirect heat

例句：

1. 1. The sun's indirect heat is what keeps the earth warm.
   太阳的间接热是保持地球温暖的原因。
2. 2. Indirect heat can be used to power homes and factories.
   间接热可以用来为家庭和工厂提供动力。
3. 3.The indirect heat from the sun can also affect our moods.
   来自太阳的间接热也会影响我们的情绪。