英语词汇“sandwich coin”是什么意思，“sandwich coin”的读音、用法及例句翻译-烛光网

词汇	sandwich coin
释义	sandwich coinn.（名词） A coin having a layer of one metal, such as copper, between exterior layers of a different metal, such as silver.简易硬币，包层硬币：一种硬币，夹层为一种金属（如铜夹层），外层为不同金属（如银外层）
随便看	phototonus phototoxic phototransistor phototroph phototropism phototube phototypesetter phototypesetting phototypographies phototypography photovoltaic photovoltaic cell photo–essay photo–offset photo–realism phots phr. phragmites phrasal verb phrase phrase book phrased phrasemaker phrase marker phrasemonger

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