psychoactive substance

基本解释

Hallucinogens are psychoactive substances that powerfully alter perception, mood, and a host of cognitive processes.
迷幻剂是指作用于精神的，能强烈改变感知、情绪及主体认知过程的药物。
Psychoactive substances are commonly grouped according to whether they are stimulants, depressants, or hallucinogens.
刺激神经类物质通常分为兴奋剂、静剂和幻觉剂。
combining education with laws to promote seat belt (and helmet) use and to prevent driving under the influence of alcohol or other psychoactive substances;
把教育和法律结合起来，鼓励安全带（和头盔）的使用，并且防止在使用酒精或其他心理活性物质后驾驶车辆；

He presents data from pharmacological or epidemiological studies on what exactly those are, bolstering his argument with discussions on the nature of addiction and changing attitudes to psychoactive substances throughout history.
ECONOMIST: Plain speaking on a highly coloured issue
Novel psychoactive substances, mainly stimulants and cannabinoids from China sold on the internet, proliferate too quickly for anyone to keep track of them (though websites such as Erowid.org make an impressive attempt).
ECONOMIST: Drug use and abuse