canker sore英 [ˈkæŋkə sɔː(r)]美 [ˈkæŋkər sɔːr]网络 口腔溃疡; 溃疡痛; 口疮; 溃疡; 鹅口疮医学英英释义nounan ulceration (especially of the lips or lining of the mouth)Synonym:canker双语例句