铜锈层

Traditional form:

銅鏽層

Pinyin (reading):

tóngxiùcéng

Definitions:

• patina

Characters:

• 铜 - copper, bronze
• 锈 - to rust, to corrode
• 层 - layer, floor, story, stratum

Traditional characters:

• 銅 - copper, bronze
• 鏽 - to rust, to corrode
• 層 - layer, floor, story, stratum