0 Old HSK word(s):


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Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Lemma (S) [yin3 li3] 引理
Lemma von Zorn (S) [zuo3 en1 yin3 li3] 佐恩引理
Pumping-Lemma (S, Sprachw) [beng4 yin3 li3] 泵引理