dance-off是什么意思?

dance-off是什么意思?

题目
dance-off是什么意思?
原句是:Thisis a science dance-off.The submitted dances willbe broadly divided into PHYSICS,
dance-off在此作何解释呢,在网上查了一些意思但是似乎都不对,
前文是:Createa dance that is inspired by your Ph.D.research,Getthat dance on video and send us the link.
下文是:Thisis a science dance-off.The submitted dances willbe broadly divided into PHYSICS,CHEMISTRY,BIOLOGY,and SOCIAL SCIENCES.Thejudges will choose the best from each,and those finalists will competefor the top prize
答案
dance-off.原意是一种非正式的舞蹈比赛,舞者轮流上场,而且必须比对手更强.
dance-off :An informal competition between two dancers who must progressively dance better than their opponent.
这里是把科学比作为舞蹈比赛:
这是一场科学的舞蹈比赛,所申请参赛的舞蹈将被分为物理学.(后面没有完)
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