0 Old HSK word(s):


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Hsk Characters:
HSK -Characters and beyond:
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Eisenhydroxid, Eisen(II)-hydroxid (S, Chem) [qing1 yang3 hua4 ya4 tie3] 氢氧化亚铁
Eisenoxid, Eisen(II)-oxid (S, Chem) [yang3 hua4 ya4 tie3] 氧化亚铁