柯林斯词典ˌulceˈration /ˌʌlsəˈreɪʃən/ 1. N the development or formation of an ulcer 潰瘍形成 返回 ulceration剑桥词典the process of forming an ulcer or ulcers 潰瘍形成 ulceration of the bowel 腸道潰瘍的形成 mouth ulceration 嘴部潰瘍的形成 返回 ulceration