geothermic degree

例句：

1. 1.The geothermal energy is a renewable resource that can be used to generate electricity.
   地热能是一种可再生资源，可以用来发电。
2. 2. The geothermal gradient is the rate at which temperature decreases with depth in the Earth's crust.
   地温梯度是地球地壳中温度随深度降低的速度。
3. 3. The geothermal heat is used to heat buildings and homes during winter months.
   地热热能被用来在冬季为建筑物和房屋提供供暖。