0 Old HSK word(s):


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Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




lotrechte Linie, Lotlinie, im Lot stehende Linie (S, Math)senkrechte Linie, Senkrechte (S, Math) [qian1 chui2 xian4] 铅垂线