二伏 èrfú
[the second of the three 10day periods of the hot season(sometimes lasting 20 days instead of 10)] 见“中伏”
夏至后第四庚日。
也称为「中伏」。
英语 same as 中伏[zhong1 fu2], last ten days of July and first ten days of August, the second of 三伏[san1 fu2], three hottest periods of the year