Brown fat is responsible for generating heat when our bodies are exposed to the cold, a process which requires greater caloric expenditure.

当我们的身体暴露在寒冷中时，棕色脂肪负责产生热量，这一过程需要更多的热量消耗。

White fat is responsible for storing and supplying energy to the body; brown fat is responsible for generating heat when our bodies are exposed to the cold, a process which requires greater caloric expenditure.

白色脂肪负责储存和向身体提供能量；棕色脂肪则负责在我们的身体暴露在寒冷环境中时产生热量，这一过程需要消耗更多的卡路里。