canker
n. [植保] 溃疡病;口疮;腐败的原由,弊害
vi. 产生溃疡;腐败起来
vt. 使患溃疡;使腐败
复数 cankers
第三人称单数 cankers
现在分词 cankering
过去式 cankered
过去分词 cankered
例句
His dog has a canker in its ear.
他的狗的耳朵上有一处溃疡。
Cold sores usually appear on the lip; canker sores affect the inside of the mouth.
溃疡往往发生在嘴唇上,主要影响口腔内部。
A saltwater gargle will take the bite out of a toothache and ease the pain of canker sores and sore throats.
盐水漱口将减轻牙痛、口腔溃疡和咽痛。