Ulceration

[,ʌlsə'reʃən]

解释:

(noun.) the process of ulcer formation; the process of becoming ulcerated.

海因里希录入--From WordNet

解释:

(n.) The process of forming an ulcer, or of becoming ulcerous; the state of being ulcerated; also, an ulcer.

手打:齐妮亚