杜的英語翻譯：

prevent; shut out; stop

蓋的英語翻譯：

about; annex; canopy; casing; cover; lid; shell; top; build
【化】 cap; cover; lid
【醫(yī)】 cap; coping; operculum; roof; tegmen; tegmentum; veil

氏的英語翻譯：

family name; surname

潰瘍的英語翻譯：

abscess; canker; sore; ulcer; ulceration
【醫(yī)】 anabrosis; cancrum; canker; exelcosis; helco-; sore; ulcer; ulcera
ulceration; ulcus