functional

functional
adjective

of or having a special activity, purpose, or task; relating to the way in which something works or operates
（有…）官能的，（有…）机能的，（有…）作用的，（有…）目的的
there are important functional differences between left and right brain.
左脑和右脑在机能上有重要的不同之处。
■designed to be practical and useful, rather than attractive
为实用而设计的；实用的
she had assumed the flat would be functional and simple.
她曾设想公寓将是实用和简单的。
■working or operating
在工作的；在运转的
the museum will be fully functional from the opening of the festival.
从这个庆祝活动开幕开始，该博物馆将全面投入使用。
■(of a disease) affecting the operation, rather than the structure, of an organ
（疾病）官能的，机能的
functional diarrhoea.
官能性腹泻。
■(of a mental illness) having no discernible organic cause
（精神病）找不出器质性原因的
functional psychosis.
机能性精神病。
(Mathematics)of or relating to a variable quantity whose value depends upon one or more other variables
(数)函数的

派生
functionally
adverb

[sentence adverb]functionally, the role of the library service is clearly educational.
就功能而言，图书馆服务的作用无疑是教育性的。

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