brains [b'reɪnz]

以下由轻松背单词网站提供

附加级

n.智力，脑髓；脑( brain的名词复数 )；智慧；聪明的人；（群体中）最聪明的人

In this job you need brains as well as brawn. 这项工作耗神又耗力。
The idea is locked up in his brains.We know nothing. 他把自己的想法藏在脑子里，我们一无所知。来自《简明英汉词典》