“三伏”是初伏、中伏和末伏的统称,是一年中最热的时节。每年出现在阳历7月中旬到8月中旬。其气候特点是气温高、气压低、湿度大、风速小。“伏”表示阴气受阳气所迫藏伏地下。按我国阴历(农历)气候规律,前人早在规定:“夏至后第 ”Three volts “ is the initial volts, volts and the end of volts collectively, is the hottest time of the year. Every year in the solar calendar in mid-July to mid-August. Its climate is characterized by high temperature, low pressure, high humidity, low wind speed. ”Vol “ said yin gas by the yang forced hidden underground. According to our lunar calendar (lunar calendar) climate laws, as early as the provisions of predecessors: ”After the summer solstice