noun · any metal coin used as money (common in Taiwan)

我身上只有一些铜板，不够买这张车票。

noun · traditional Chinese percussion instrument made of copper plates

说书人敲打着铜板开始了表演。

noun · a coin made of copper used as currency in historical China

他在地里挖到了几枚清代的铜板。

noun · a plate or sheet made of copper, used for printing or industrial purposes

这种印刷工艺需要使用特制的铜板。