柯林斯词典ˌulceˈration /ˌʌlsəˈreɪʃən/ 1. N the development or formation of an ulcer 溃疡形成 返回 ulceration剑桥词典the process of forming an ulcer or ulcers 溃疡形成 ulceration of the bowel 肠道溃疡的形成 mouth ulceration 嘴部溃疡的形成 返回 ulceration