n.精神兴奋药；精神刺激剂

He took a psychostimulant before the big presentation to boost his energy.
他在大型演讲前服用了精神刺激剂以提高精力。
ADHD children often benefit from prescription psychostimulants like Ritalin.
注意力缺陷多动障碍（ADHD）儿童常常可以从处方的精神刺激药物如利他林中获益。
The athlete's performance improved significantly after taking the psychostimulant.
运动员服用精神刺激剂后，表现有了显著提升。
She tried a natural alternative to caffeine, but it didn't have the same psychostimulant effect.
她尝试了咖啡因的自然替代品，但没有产生同样的精神刺激效果。
The teacher warned her students about the potential side effects of long-term psychostimulant use.
老师提醒学生长期使用精神刺激药物可能产生的副作用。
The psychiatrist prescribed a low dose of psychostimulant to help with the patient's insomnia.
精神科医生开了一种低剂量的精神刺激药来治疗患者的失眠症。
Some individuals use psychostimulants recreationally to enhance focus and alertness.
有些人会滥用精神刺激剂以增强注意力和警觉性。
Research suggests that certain stimulants can have cognitive benefits for those with narcolepsy.
研究表明，某些刺激物对患有嗜睡症的人来说可能具有认知益处。
Long-term abuse of psychostimulants can lead to addiction and withdrawal symptoms.
长期滥用精神刺激药物可能导致成瘾和戒断症状。
The debate continues over whether ADHD medication, which is primarily psychostimulants, should be used as a first-line treatment.
关于是否应该首先使用主要用于ADHD的精神刺激药物进行治疗，这一争议仍在持续。