thermal property of coal

例句：

1. 1. The heat from the sun is what keeps our planet warm.
   太阳的热量使我们的星球保持温暖。
2. 2. Thermal insulation is a crucial factor in designing buildings.
   热绝缘是建筑设计中至关重要的因素。
3. 3. Thermal conductivity is a measure of how well materials transfer heat.
   热导率是衡量材料传递热量能力的一个指标。