cold sore

n.唇疱疹; 嘴边疱疹 牛津词典 noun 唇疱疹；嘴边疱疹a small painful spot on the lips or inside the mouth that is caused by a virus 柯林斯词典 (感冒时唇鼻处出现的)冷疱疹，唇疱疹Cold sores are small sore spots that sometimes appear on or near...