brain

brain
noun

an organ of soft nervous tissue contained in the skull vertebrates, functioning as the coordinating centre of sensation and intellectual and nervous activity
脑
■(brains)the substance of such an organ, typically that of animal, used as food
（尤指供食用的动物）脑髓，脑浆
■(informal)an electronic device with functions comparable to those of the human brain
(非正式)电脑
The human brain consists of three main parts. (i) The forebrain, greatly developed into the cerebrum, consists of two hemispheres joined by a bridge of nerve fibres, and is responsible for the exercise of thought and control of speech. (ii) The midbrain, the upper part of the tapering brainstem, contains cells concerned in eye movements. (iii) The hindbrain, the lower part of the brainstem, contains cells responsible for breathing and for regulating heart action, the flow of digestive juices, and other unconscious actions and processes. The cerebellum, which lies behind the brain stem, plays an important role of the execution of highly skilled movements
intellectual capacity
智力，智慧
I didn't have enough brains for the sciences.
我可没有足够的智力去搞科学。
[mass noun]success requires brain as well as brawn.
成功要有足够的智力和体力。
■(the brains)(informal)a clever person who supplies the ideas and plans for a group of people
(非正式)智囊，谋划组织者
Tom was the brains of the outfit.
汤姆是这帮人的军师。
■a person's mind
头脑
a tiny alarm bell began to ring in her brain.
她脑子里有个小小的警钟响了。

verb

[with obj.](informal)hit (someone) hard on the head with an object
(非正式)用…敲打某人的脑袋
she brained me with a rolling pin.
她用擀面杖狠敲我的脑袋。

常用词组
have (got) something on the brain

(informal)be obsessed with something
(非正式)萦绕于脑际，念念不忘
John has cars on the brain.
约翰心里老是惦记着汽车。

语源

Old English brægen, of West Germanic origin; related to Dutch brein

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