劳驾给我6便士的铜币。

Would you mind giving me the six pence in coppers?

考古学家在坟墓中发现了一些古代的铜币。

The archeologists found some ancient copper COINS in the tomb.

钱包里有两枚半克朗银币和几枚铜币。

In the purse were two half-crowns and some coppers.

B：在博物馆里我们可以看到中国使用的铜币具有很悠久的历史。

B: in the museums we can see that Chinese copper money had a long history.

在当地军阀保护下，商品重新出现在市场上，不过，买卖采取易货交易或是用金、银、铜币交易。

Goods reappeared in markets under the protection of local warlords. Transactions were conducted in barter and in gold, silver, and copper COINS.