0 Old HSK word(s):


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Hsk Characters:
HSK -Characters and beyond:
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Redox-Reaktion (S, Chem) [xuan3 yuan2 yang3 hua4 fan3 ying4] 选原氧化反应
Redox-Reaktion (S, Chem) [yang3 huan2 fan3 ying4] 氧还反应