S.N.
汉语翻译
【医】 自然地, 天然地
英语解释
名词 s.n.:
- 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同义词：tin, Sn, atomic number 50
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