depressant
US /dɪˈpres.ənt/
UK /dɪˈpres.ənt/
1.
镇静剂, 抑制剂
a drug that reduces excitability and calms a person, used to treat anxiety, tension, and sleep disorders
:
•
Alcohol acts as a depressant on the central nervous system.
酒精对中枢神经系统起抑制作用。
•
The doctor prescribed a mild depressant to help her sleep.
医生开了一种轻度镇静剂来帮助她入睡。
2.
抑制因素, 沮丧因素
a substance or factor that causes depression or a lowering of activity or spirits
:
•
The bad news acted as a real depressant on everyone's mood.
这个坏消息对每个人的情绪都起到了真正的抑制作用。
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Economic uncertainty can be a major depressant on consumer spending.
经济不确定性可能是消费者支出的主要抑制因素。