Vocabulary
硫化変色
りゅーかへんしょく
vocabulary vocab word
sulphide staining
硫化変色 硫化変色 りゅーかへんしょく sulphide staining
Meaning
sulphide staining
Practice Writing
Character: 1/4
Stroke: 1/0
りゅーかへんしょく
vocabulary vocab word
sulphide staining