jiū yán
意思解释：（Investigate grind）犹研究。
研，研究的通稱。究，精深地研究。治，全面地研究。攻，用大力專心研究。【同義】均有研究義。南朝宋劉義慶《世説新語·文學》:“殷仲堪精核玄論，人謂莫不研究。”《元史·鐵木兒塔識傳》:“鐵木兒塔識天性忠亮，學術正大，伊洛諸…
Grind, a Er of research. Investigate, study profoundly. Treat, comprehensive ground studies. Attack, with energetically heart research. [with Li ] all have research Li . of Li of of the Song Dynasty of the Southern Dynasties of article of · of world Zha new Zha : The swiftly that make food container smooth with a rake boils research of there's no one who doesn't or isn't of crisp ^ of of of Song . yuan of Zhu of tower of of wood of history · Zuo : Mix nature of Zhu of tower of F wood faithful bright, Xiao big, yi Luo Zheng ...
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