You remember hormones, those chemical messengers brewed up by the endocrine system that travel through the bloodstream and regulate all sorts of physiological and behavioral activities from growth to digestion to sleep to sex.

你记得荷尔蒙，那些由内分泌系统产生的化学信使， 它们通过血液流动， 调节从生长到消化到睡眠再到性行为的各种生理和行为活动。

The second is warming. Qi is the source of energy of the body. This is prerequisite to the maintenance of normal body temperature, normal physiological activities of the viscera and normal circulation of blood and body fluid.

温煦作用。气是身体能量的来源。这是维持正常体温、内脏正常生理活动以及血液和体液正常循环的基础条件。