yǐ / suān / gēn / shì / yǐ / suān / shī / qù / qīng / lí / zǐ / hòu / xíng / chéng / de / yīn / lí / zǐ乙酸根是乙酸失去氢离子后形成的阴离子。The acetate ion is the anion formed when acetic acid loses a hydrogen ion.