0 Old HSK word(s):


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Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Katalysator (S, Chem) [cui1 hua4 ji4] 催化剂
Platinkatalysator (S, Chem) [bo2 cui1 hua4 ji4] 铂催化剂