domain /dəˈmein/ n. [c] 1. (活动、思想等)领域,范围:the domain of science 科学领域;in the domain of public health 在公共医疗部门 [考句] Governments today play an increasingly larger role in the domains of welfare, economics, and education.如今的政府在福利、经济和教育领域扮演着越来越重要的角色。2.领地,势力范围: our sacred domain 我们的神圣领土