amphetamine
noun [ C or U ] uk/æmˈfet.ə.miːn/ /æmˈfet.ə.mɪn/ us/æmˈfet̬.miːn/ /æmˈfet̬.mɪn/
苯丙胺，安非他明
any of several types of drug used as a stimulant (= a substance that makes the mind or body more active)
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。
Synonym: speed
Compare: pep pillupper noun