- n. 溃疡；(树的)癌肿病；毒害；弊害
- v. 患溃疡；腐蚀；溃烂
a fungal disease of woody plants that causes localized damage to the bark
an ulceration (especially of the lips or lining of the mouth)
a pernicious and malign influence that is hard to get rid of;
"racism is a pestilence at the heart of the nation"
"according to him, I was the canker in their midst"
become infected with a canker
infect with a canker
- Fatigue, stress or allergies can increase the likelihood of a canker sore.
- Anecdotal evidence suggests that diets high in sugar, citrus, and cereal grains may trigger canker sores.
- When with stainless steel or carbon steel, the interior must line with rubber processing, preventing to canker shell material.