0 Old HSK word(s):


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Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Isotop (S, Chem) [tong2 wei4 su4] 同位素
Radionuklid (Chem) [fang4 she4 xing4 tong2 wei4 su4] 放射性同位素


13.19 Chemie Isotop + Isotope + 同位素 +