基本解释（美）辅币同根派生 fractional currency相关词英汉例句双语例句Dimes and pennies are fractional currency.一角银币和分币都是辅币。fractional currency更多例句词组短语短语bit change fractional currency 辅币fractional currency更多词组英英字典柯林斯英英字典 paper or metal money of smaller denomination than the standard monetary unit fractional currency剑桥字典fractional currency柯林斯字典专业释义经济学辅币