S.N.
S.N.是什么意思、S.N.怎么读
【医】 自然地, 天然地
S.N.汉语翻译
【医】 自然地, 天然地
S.N.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