The first copper coins were made in China.

铜钱最早产生于中国.

英语晨读30分（高一）

Are copper coins legal tender for a sum in excess of 10 pounds?

超过十镑的数目可以用铜币作为法定货币来偿付 吗 ?

辞典例句

The archeologists found some ancient copper coins in the tomb.

考古学家在坟墓中发现了一些古代的铜币.

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The standard copper coins have turned out to be very valuable now.

制钱现已成为很有价值的东西.

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Copper coins were once in circulation as money.

铜元曾经作为货币一度流通.

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