铜锈层 tóngxiùcéng patina Definitions Defs Origin Strokes Stroke Words Sentences Sents 铜锈层 銅鏽層 tóngxiùcéng patina a layer of greenish film or oxidation that forms on the surface of copper or bronze
铜锈层 銅鏽層 tóngxiùcéng patina a layer of greenish film or oxidation that forms on the surface of copper or bronze
