thermal simulating test

例句：

1. 1. The thermal conductivity of the material is high.
   这种材料的热导率很高。
2. 2.Thermal energy is a form of energy that can be converted into other forms.
   热能是一种可以转换为其他形式的能量。
3. 3. Thermal expansion is a phenomenon where the volume of a solid increases with temperature.
   热膨胀是一种现象，固体的体积随着温度的增加而增加。