brain /brein/ n. 1.c]大脑:The brain is the centre of higher nervous activity. 大脑是高级神经活动的中枢。2.脑筋,智能(不可数,但多带-s词尾)She is nice, but she doesn’t have much brains. 她人很漂亮,但不怎么聪明。rack one’s brain(s) 绞尽脑汁(见rack条)3.c]脑子聪明的人:Some of the best brains in our country are here tonight.今晚出席的人中有一些是我们国家的精英。