热能

例句：

1. 1. The engine requires a lot of heat energy to operate efficiently.
   发动机需要大量的热量来高效运转。
2. 2. The solar panel converts sunlight into thermal energy for heating purposes.
   太阳能板将阳光转换为热能用于加热目的。
3. 3. The power plant generates electricity using thermal energy from the surrounding environment.
   发电厂利用周围环境提供的热能来发电。