0 New HSK word(s):

0 Old HSK word(s):

丹粉 [dan1 fen3]

Zinnober, Eisenoxidrot (S)
氧化铁 [yang3 hua4 tie3]

Eisenoxid, Eisen(III)-oxid (S, Chem)
氧化亚铁 [yang3 hua4 ya4 tie3]

Eisenoxid, Eisen(II)-oxid (S, Chem)