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音乐书:英国伦敦出现了一种音乐书。当读者翻开这种书时,书里马上会传出音乐伴奏的解说声。这是因为书的封面里装有带微型磁带的录音机,翻
Music book: A music book appeared in London, England. When readers open this kind of book, the book will immediately spread the sound of music accompaniment. This is because the cover of the book is equipped with a tape recorder with a micro-cassette tape