thermal inversion

例句：

1. 1. The thermal inversion causes the temperature to vary greatly across the region.
   热力逆流导致该区域的温度差异很大。
2. 2.This phenomenon is often observed during the winter months when the air is heated by the sun.
   这种现象在冬季经常被观察到，当时空气受到太阳加热。
3. 3. Due to the thermal inversion, the wind direction changes frequently.
   由于热力逆流，风向频繁变化。