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S.N.

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漢語翻譯

【醫】 自然地, 天然地

英文解釋：

名詞 s.n.:

  1. a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
    同義詞：tin, Sn, atomic number 50

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