剑桥词典any of several types of drug used as a stimulant (= a substance that makes the mind or body more active ) 苯丙胺，安非他明 Floyd was banned from racing after a drug test revealed traces of amphetamine in his urine . 弗洛伊德因兴奋剂检测显示其尿样中含有微量安非他明成分而被禁赛。 返回 amphetamine