functional
/-ʃənl; -ʃənl/ adj
1 of or having a function(1) or functions 功能的; 机能的; 职务上的; 有作用的; 有功能的
a functional duty, title, office 职责、 职称、 职能
a functional disorder, ie illness caused when an organ of the body fails to perform its function 机能紊乱.
2 practical and useful; not decorative 实用的; 非装饰性的
functional furniture, clothing, architecture 实用的家具、 衣服、 建筑.
3 [pred 作表语]
working; able to work 起作用; 运转; 能起作用; 能运转
Is this machine functional? 这机器能用吗?
I'm hardly functional if I don't get eight hours' sleep! 我要是不睡上八个小时就无法工作!