资料来源 : pyDict

齿龈溃疡

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Gumboil \Gum"boil\, n. (Med.)
   A small suppurting inflamed spot on the gum.

资料来源 : WordNet®

gumboil
     n : a boil or abscess on the gums