1. Scientists have discovered that if they give amphetamines to a group of mice they will run wildly around in circles for 10 minutes and then drop dead. 科学家已经发现，如果给一组老鼠注射安非他命，它们会发疯地乱跑10分钟，然后死掉。
2. Amphetamines were widely used as an antidote to neurotic depression into the 1960s, until such “pep pills” came to be seen as doing more harm than good. 在人们认识到这些兴奋剂的危害远大于其好处之前，一直到上世纪60年代，安非他明被广泛的应用为抗抑郁治疗药物。
3. Caffeine is a central nervous system stimulant that ACTS in many ways like other stimulant drugs such as amphetamines, waking you up and increasing your muscular activity. 咖啡能够通过多种作用刺激你的中枢神经系统，就像其他的药物一样(比如安非他命)让你清醒，增强活力。
4. The Tour is the toughest of all sporting events so it is understandable that the riders have sought help—over the years they have taken brandy, amphetamines and even the train. 鉴于环法赛事实乃诸种体育项目中最为艰苦之比赛，车手自然会寻求捷径——过去的岁月里他们尝试过白兰地、安非他命，甚至偷乘火车。
