defective

Retailers can return defective merchandise.

零售商可以退回有瑕疵的商品。

Her hearing was found to be slightly defective.

经检查，她的听力有点缺陷。

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。

Dozens of animals have been cloned since that first lamb—mice, cats, cows and, most recently, a dog—and it´s becoming increasingly clear that they are all, in one way or another, defective.

自从第一只羊被克隆以来，已经有几十种动物被克隆了，包括老鼠、猫、牛和最近的一只狗；而且越来越明显的是，这些动物都有这样或那样的缺陷。

Poor digestion can be caused by defective mastication of the food in the mouth.

消化不良可能是因为嘴里的食物没有完全嚼碎而引起的。