wind machine

noun
🔊/ˈwɪnd məʃiːn/
🔊/ˈwɪnd məʃiːn/
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  1. a machine used in the theatre or in films that blows air to give the effect of wind(剧院或电影用的)造风机,风力效果机Topics Film and theatreb2
  2. a machine used in orchestras to produce the sound of wind (管弦乐队的)风声器,风鸣器