verdigris
柯林斯词典
1. N-UNCOUNT Verdigris is a greenish-blue substance that forms on the metals copper, brass, and bronze after they have been left in wet or damp conditions. 铜锈
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1. N-UNCOUNT Verdigris is a greenish-blue substance that forms on the metals copper, brass, and bronze after they have been left in wet or damp conditions. 铜锈