
好词典

源自拉丁语 'stimulare'(刺激),通过法语 'stimulant' 进入英语,后缀 '-s' 表示复数形式。
❶ 指能暂时提高身体或精神活动的物质,如咖啡因或药物,通过刺激神经系统使人更清醒或兴奋。
“Coffee contains caffeine, which is one of the most common stimulants.”
(咖啡含有咖啡因,是最常见的兴奋剂之一。)
“Doctors sometimes prescribe stimulants to treat attention disorders.”
(医生有时会开兴奋剂来治疗注意力障碍。)
central nervous system stimulants — 指直接影响中枢神经系统的兴奋剂,如安非他命,用于医疗或非法用途。
“Central nervous system stimulants are strictly regulated due to their potential for abuse.”
(中枢神经系统兴奋剂因其滥用潜力受到严格监管。)