0 Old HSK word(s):


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Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Optometrie (S) [shi4 guang1 xue2] 视光学
Optometrie (S) [shi4 li4 ce4 ding4] 视力测定
Optometrie (S) [yan4 guang1] 验光