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单词	background projection
释义	background projection noun : the projection of still or motion pictures onto a translucent screen that is then photographed from the opposite side and used as the background for live action sequences of a photoplay called also back projection, process projection Word History First Known Use 1948, in the meaning defined above
随便看	Fifth Monarchy Man fifth quarter fifth species fifth wheel fifth-species counterpoint fifther fifthest fifthlier fifthliest fifthly fifths fiftier fifties fiftiest fiftieth fiftiether fiftiethest fiftieths fifty fifty-eight fifty-eighth fifty-fifth fifty-fifty fifty-first fifty-five

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。