'stimulant'是英国的词语,翻译为中文是“刺激物”。它指的是能够刺激身体或大脑活动的物质。在医学上,它通常指的是能够提高神经系统、循环系统和呼吸系统等的生理活动的药物。这类药物可以用来治疗注意力不集中、过度活跃、疲劳等症状。
例句:
1. The use of stimulants like caffeine can increase alertness and productivity.(使用咖啡因这类刺激物能够提高警觉度和生产力。)
2. Many athletes use performance-enhancing stimulants to improve their physical abilities.(许多运动员使用增强性能的刺激物来提高身体能力。)
3. Some common stimulants include caffeine, nicotine, and amphetamines.(一些常见的刺激物包括咖啡因、尼古丁和安非他命。)
4. Medical professionals may prescribe stimulants such as Adderall to help treat ADHD.(医疗专业人士可能会开具像阿得拉这样的刺激物来治疗注意力不集中症。)
5. Stimulants like cocaine can be highly addictive and have dangerous side effects.(可卡因这类刺激物具有高度上瘾性和危险的副作用。)
6. Some people use stimulants to stay awake and alert for extended periods of time.(一些人使用刺激物来保持清醒警觉,持续很长时间。)
7. The effects of stimulants on the nervous system can be unpredictable and vary from person to person.(刺激物对神经系统的影响可能是不可预测的,因人而异。)
8. Stimulants can have negative effects on the cardiovascular system, including increased heart rate and blood pressure.(刺激物可能对心血管系统产生负面影响,包括心率和血压升高。)
9. The long-term use of stimulants can lead to tolerance and dependence, making it difficult to stop using them.(长期使用刺激物可能会导致耐受性和依赖性,使停止使用变得困难。)
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