n.抑制剂
adj.有镇静作用的，使消沉的，引起萧条的

Alcohol is a central nervous system depressant that can slow down brain function and impair judgment.
酒精是一种中枢神经系统抑制剂，可以减缓大脑功能并影响判断力。
The patient was prescribed a mild depressant to help manage their anxiety.
病人被开了一种轻微的镇静剂来帮助控制焦虑。
Barbiturates are potent depressants that were commonly used in the past as sedatives and sleeping pills.
巴比妥类药物是效力强大的抑制剂，过去常被用作镇静剂和安眠药。
The anesthetist administered a general anesthetic, a powerful depressant that causes loss of consciousness.
麻醉师施用了全身麻醉药，这是一种强大的抑制剂，会导致意识丧失。
Antidepressants, although called so, actually work by adjusting the levels of neurotransmitters in the brain rather than acting as depressants.
抗抑郁药，尽管名字如此，实际上其作用机制是调节大脑中的神经递质水平，而不是作为抑制剂起作用。
The effects of depressants can vary depending on the individual's body weight, metabolism, and tolerance.
抑制剂的效果会根据个体的体重、新陈代谢率和耐受性而有所不同。
Mixing depressants with alcohol can greatly increase the risk of respiratory depression and even death.
将抑制剂与酒精混合使用会大大增加呼吸衰竭甚至死亡的风险。
Valium is a benzodiazepine, a class of drugs known for their calming and muscle-relaxing properties as depressants.
安定（Valium）是一种苯二氮卓类药物，这类药物作为抑制剂以其镇静和肌肉松弛特性而闻名。
In small doses, certain depressants can be used to treat conditions like insomnia and severe anxiety.
适量使用某些抑制剂可以用于治疗失眠和严重焦虑等病症。
It's crucial not to operate heavy machinery or drive while under the influence of depressants due to their impairing effects on cognitive function.
由于抑制剂对认知功能有损害作用，因此在受其影响时操作重型机械或驾车至关重要。