英语词汇“proof silver”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	proof silver
释义	Proof Silver Proof Silver Any amount of pure silver used to test the purity of silver coins. In the United States, proof silver is disseminated by the Philadelphia Mint. See also: Assay, numismatics.
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Proof Silver