not discovered
未被发现的;隐藏的
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the novel had lain undiscovered for years among his papers .该小说多年来一直埋没在他的文稿中不为人所知。
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undiscoveredadj.未被发现的;隐藏的
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discoveredv.发现;发觉;碰见;(discover的过去式和过去分词)