0 Old HSK word(s):


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Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Cycloheptan; Suberan (S, Chem) [huan2 geng1 wan2] 环庚烷
Heptan (S, Chem) [geng1 wan2] 庚烷
n-Heptan (S, Chem) [zheng4 geng1 wan2] 正庚烷