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单词 atomic number 47
释义
atomic number 47
(extremely rare)
n

WORD FAMILY
atomic number 47
n a soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography
Syn|Hypo|Hyper
Ag, silver
coin silver
a silver of the degree of purity established for making legal silver coins
noble metal
any metal that is resistant to corrosion or oxidation
conductor
a substance that readily conducts e.g. electricity and heat
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更新时间:2024/12/23 23:56:19