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第二种硬币是两角的合金银币。
The second was a 20-cent coin made of silver alloy.
youdao
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金银币曾经是美国的流通货币。
Silver and gold coins were once in common use in the United States.
youdao
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金银币曾经是美国的流通货币。
Silver and gold coins were once in common use in the United States.
youdao