copper 名词复数:coppers 过去式:coppered 过去分词:coppered 现在进行时:coppering 词形变化: 形容词: coppery | 动词过去式: coppered | 动词过去分词: coppered | 动词现在分词: coppering | 动词第三人称单数: coppers | 词义辨析: 同义: n.铜钱, 钱币 penny cent red cent pence p twopence tuppence halfpenny bawbee