thermogenic center

例句：

1. 1. Thermal energy isa form of energy that is releasedwhen matter is heated.
   热能是一种在物质加热时释放的能量形式。
2. 2. Thermalenergy can be converted into electrical energy througha process called thermoelectric conversion.
   热能可以通过热电转换过程转化为电能。
3. 3. Thermal energy is an important source of renewableenergy, which can help reduce greenhouse gasemissions.
   热能是一种重要的可再生能源来源，可以帮助减少温室气体排放。