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n.凝固；凝固物；凝结物；具体化 英英释义： concretion[ kən'kri:ʃən ]n.the formation of stonelike objects within a body organ (e.g., the kidneys)a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body同义词：calculusan increase in the
