concussion
[kən'kʌʃ.ən] noun uncountable
■temporary damage to the brain caused by a fall or hit on the head or by violent shaking 脑震荡•He's been a bit dizzy and confused since the accident. Do you think it's mild concussion?发生事故以来，他一直有点头晕和思维混乱。你觉得那是不是轻微脑震荡？ |