基本解釋齦膿腫英英字典柯林斯英英字典 an abscess on the gums, often at the root of a decayed tooth (Also called parulis)gum-boil劍橋字典gum-boil柯林斯字典專(zhuān)業(yè)釋義醫(yī)藥科學(xué)齦膿腫