Double Ninth Festival重阳节（农历九月初九,二九相重,称为重九,九是阳数,固重九亦叫重阳.重阳这天所有亲人都要一起登高避灾,插茱萸、赏菊花）;例句:1.What is the date of double ninth festival? 中国的重阳节是...