nocturnal cooling

例句：

1. 1.The nocturnal cooling of the lake is a natural phenomenon that occurs during the night.
   湖面的夜间冷却是一种自然现象，发生在夜晚。
2. 2.The temperature drops significantly during the nocturnal cooling period.
   夜间冷却期间，温度会显著下降。
3. 3.The nocturnal cooling effect can be observed in many ecosystems, including forests and wetlands.
   许多生态系统中都可以看到夜间冷却效应，比如森林和湿地。