gumboil

详细解释:n. 龈脓肿

英语解释：

名词 gumboil:

a boil or abscess on the gums

详细解释：

gum.boil

n.（名词）
A small boil or abscess on the gum, often resulting from tooth decay.
龈脓肿：牙床上生的小疖或肿块，常由龋牙引起