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耿咸云3662三九天寒是什么意?
元泪泥14756702399 ______ “三九”是指冬至后的第三个“九天”,即冬至后的第十九天到第二十七天.我国农历有“九九”的说法,用来计算时令.一般“三九”时最冷.所以称为“三九严寒”.