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A facility on an audio tape player allowing the reverse side of a tape to play automatically once the first side has finished; frequently attributive.
1960s; earliest use found in The New York Times.
英语词典包含464360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。