词语释义：
1.《汉书．五行志中之下》"昭帝时，上林苑中大柳树断仆地，一朝起立，生枝叶，有虫食其叶，成文字。"后用"书虫"泛指食叶虫。
网络解释：
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“书虫”泛指食叶虫,后指爱书，喜欢书的人（不只是读）