“流火”一语，当今常被形容天气炎热，似大地上流淌着火焰一般。如最近北京搞了一台“流火六月”音乐会，《北京晚报》等媒体曾经报道。 “流火”一语，出自《诗经》，全句是“七月流火”。这里的“七月”，是夏历。合公历，是八、九月份。杜甫诗“八月秋高风怒号”，也是夏历 The word “flowing fire” is often described as hot today, like a flame flowing on the earth. As recently as Beijing engaged in a “torrent Liu” concert, “Beijing Evening News” and other media have been reported. The word “flowing fire” comes from The Book of Songs and the whole sentence is “a torrent of fire in July.” The “July” here is the lunar calendar. The Gregorian calendar is August and September. Du Fu poem “August autumn high wind nostrums”, but also the calendar