practical and useful; with little or no decoration synonym utilitarian实用的 having a special purpose; making it possible for somebody to do something or for something to happen 作用的;功能的;机能的;职能的 a functional disorder (= an illness caused when an organ of the body fails to perform its function) 功能紊乱 a functional approach to language learning 功能语言学习法 These units played a key functional role in the military operation. 这些单位在军事行动中起到了主要的职能作用。
(especially of a machine, an organization or a system )尤指机器、组织、机构或体系 working; able to work (能)起作用的,工作的,运转的