thermal properties

例句：

1. 1.The temperature of the water is 25 degrees Celsius.
   水的水温是25摄氏度。
2. 2.The thermal conductivity of metals is high.
   金属的导热性很高。
3. 3.Thermal radiation is a form of energy transfer that occurs between objects at different temperatures.
   热辐射是一种在不同温度物体之间发生的能源传递形式。