來歷不明lái lì bù míng詞語解釋:來歷:由來。人或事物的來歷與經過不清楚。[of questionable antecedents;of dubious background; unidentified; of... [详细]
來路不明lái lù bù míng詞語解釋:來歷未驗明。[unidentified;of unknown origin; of questionable antecedents; of dubious background] 來歷未驗... [详细]
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