brainon Basic wordsalso onCEFR Elementary (A2)? CEFR Advanced (C1)? Band 2 (BND2)? 头脑,脑 brains brains(noun) 智力,脑髓(brain的复数) brainy brainy(adjective) 多智的,有头脑的,聪明的 brain brain(noun) 头脑,脑 Forms nounadjective brains brainy brain