0 New HSK word(s):
0 Old HSK word(s):
硫酸亚铁 [liu2 suan1 ya4 tie3] Eisensulfat, Eisen(II)-sulfat (S, Chem)
硫酸亚铁铵 [liu2 suan1 ya4 tie3 an3] Ammoniumeisen(II)-sulfat, Mohrsches Salz (S, Chem)
亚硫酸亚铁 [ya4 liu2 suan1 ya4 tie3] Eisensulfit, Eisen(II)-sulfit (S, Chem)