defective
/dɪˈfektɪv/If something is defective, there is something wrong with it and it does not work properly. 有缺陷的
adjective [原级] 有问题的，有缺陷的；（词）不完全变化的
Her hearing was found to be slightly defective. 经检查，她的听力有点缺陷。
noun [专属名词] 有缺陷的人
A manufacturer negligently made and marketed a car with defective brakes. 一家制造商渎职，制造并销售了一款有制动缺陷的汽车。
