depressant
US /dɪˈpres.ənt/
UK /dɪˈpres.ənt/
名詞
1.
鎮静剤
a drug that reduces excitability and calms a person, used to treat anxiety, tension, and sleep disorders
例:
•
Alcohol acts as a depressant on the central nervous system.
•
The doctor prescribed a mild depressant to help her sleep.
2.
鎮静剤
a substance or factor that causes depression or a lowering of activity or spirits
例:
•
The bad news acted as a real depressant on everyone's mood.
•
Economic uncertainty can be a major depressant on consumer spending.