Related topics: Illness & disability
con·cuss /kənˈkʌs/ verb [transitiveT] MIif you are concussed, something hits you on the head, making you lose consciousness or feel sick for a short time 使脑部受到震荡 He was concussed by the blast. 他被爆炸震得脑震荡了。
n Grammar Concuss is usually passive.