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Chháu-sng

Wikipedia (chū-iû ê pek-kho-choân-su) beh kā lí kóng...
Chháu-sng

Chháu-sng (草酸), hoà-ha̍k-sek C2H2O4, sī chi̍t khoán iú-ki sng, mā sī jio̍k-sng.