dragon dance此处是名词，表示舞龙这一项中国传统的舞蹈演出形式。dance的复数形式为dances，表示舞会，各种形式的舞蹈。舞龙本身只是一种舞蹈演出形式，因此用dragon dance即可。下面是维基百科英文版对dragon dance的介绍Dragon dance is a form of traditional dance and performance inChinese culture. Like the lion dance it is most often seen in festive celebrations. The dance is performed by a team of dancers who manipulate a long flexible figure of a dragon using poles ositioned at regular intervals along the length of the dragon. The dance team simulates the imagined movements of this river spirit in a sinuous, undulating manner.舞龙是一项中国传统的舞蹈演出形式，就像舞狮一样，通常在节日庆典中可以看到。这种表演通常是有若干舞龙演员在柔软的龙形道具里按照一定的位置间隔，用手里执着的棍子操作整条长龙。这项表演以一种蜿蜒起伏的形式模拟了的河流运动的神韵。
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