我们常用“一日不见,如隔三秋”来形容相思之苦,但我们未必知道什么是三秋,三秋指哪三秋。据考证,中国古代的三秋有三种含义:一是指时间。最早见于诗经,《诗·王风·采葛》云:“一日不见,如三秋兮。”孔颖达疏:“年有四时,时皆三月,三秋谓九月也。”也就是说最早的三秋指的是时间九个月。另见晋·陆机《挽歌》:“三秋犹足收,万世安可思!”宋·李弥逊《水调歌头·次向伯恭 We often use “no one day, such as every three autumn ” to describe the pain of Acacia, but we may not know what is three autumn, three autumn refers to which three autumn. According to research, three ancient Chinese autumn has three meanings: First, refers to the time. The earliest seen in the Book of Songs, “Poetry Wang Feng Choi Ge,” said: “The day did not see, such as Samcheong Xi.” “Kong Yingda Shu:” There are four years, when all three, three autumn that September also. That is the earliest three autumn refers to the time nine months. See also Jin Lu Lu “Elegy”: “Sanqiu still enough to close, Van Gogh!” “Song Li Yixun”