0 New HSK word(s):

0 Old HSK word(s):

铜青 [tong2 qing1]

Grünspan ( Kupferacetat, Kupferdiacetat ) (S, Chem)Kupferacetat, Kupferdiacetat, Kupfer(II)-acetat (S, Chem)Patina ( Kupferacetat, Kupferdiacetat ) (S, Chem)