amphetamines

简明释义

英[æmˈfɛtəmiːnz]美[æmˈfɛtəˌminz]

n. 安非他命（amphetamine 的复数）

英英释义

单词用法

同义词

反义词

例句

1.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。

2.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。

3.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。

4.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。

5.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。

6.Doctors may prescribe amphetamines (安非他命) for patients with ADHD.

医生可能会为患有注意力缺陷多动症的患者开处方安非他命（安非他命）。

7.The use of amphetamines (安非他命) can lead to serious health issues if abused.

滥用安非他命（安非他命）可能导致严重的健康问题。

8.Some athletes have been caught using amphetamines (安非他命) to enhance performance.

一些运动员被发现使用安非他命（安非他命）来提高表现。

9.Many students misuse amphetamines (安非他命) to stay awake during exams.

许多学生滥用安非他命（安非他命）以在考试期间保持清醒。

10.Withdrawal from amphetamines (安非他命) can cause fatigue and depression.

戒断安非他命（安非他命）可能导致疲劳和抑郁。

作文

Amphetamines are a class of powerful stimulant drugs that have both medical and recreational uses. They work by increasing the levels of certain neurotransmitters in the brain, particularly dopamine and norepinephrine. This action leads to heightened alertness, increased energy, and improved concentration. However, the misuse of these substances can lead to serious health consequences. In this essay, we will explore the effects, uses, and potential dangers associated with amphetamines (安非他命). In the medical field, amphetamines (安非他命) are primarily prescribed to treat Attention Deficit Hyperactivity Disorder (ADHD) and narcolepsy. For individuals with ADHD, amphetamines (安非他命) can help improve focus and self-control, allowing them to function better in academic and social settings. Narcolepsy, a condition characterized by excessive daytime sleepiness, can also be managed with these medications, helping patients stay awake and alert during the day. Despite their therapeutic benefits, amphetamines (安非他命) are often abused for their euphoric effects. Recreational users may take these drugs to experience increased energy, enhanced mood, and improved cognitive performance. This misuse is particularly prevalent among students and professionals who seek to boost their productivity or manage stress. However, the short-term benefits can come at a significant cost, leading to addiction, cardiovascular problems, and mental health issues. The potential for addiction is one of the most concerning aspects of amphetamines (安非他命) abuse. Prolonged use can lead to tolerance, meaning that individuals require higher doses to achieve the same effects. This can spiral into a dangerous cycle of increased consumption and dependence. Withdrawal symptoms, such as fatigue, depression, and intense cravings, can further complicate the situation, making it challenging for individuals to quit without professional help. Moreover, the side effects of amphetamines (安非他命) can be severe. Users may experience anxiety, paranoia, and even psychosis, particularly at high doses. Physical health risks include elevated heart rate, hypertension, and an increased risk of stroke. These dangers highlight the importance of using amphetamines (安非他命) only as prescribed and under the supervision of a healthcare professional. In conclusion, while amphetamines (安非他命) serve important medical purposes, their potential for abuse and addiction cannot be overlooked. It is crucial for individuals to understand the risks associated with these drugs and to use them responsibly. Education about the dangers of amphetamines (安非他命) and support for those struggling with addiction are vital steps in addressing the challenges posed by these powerful stimulants. By promoting awareness and providing resources, we can help mitigate the risks associated with amphetamines (安非他命) and support those in need of assistance.