depressant
英
[dɪ'presnt]
美
[dɪ'presnt]
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Noun:
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a drug that reduces excitability and calms a person
Adjective:
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capable of depressing physiological or psychological activity or response by a chemical agent
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用作名词 (n.)
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Despite being classified as a depressant, alcohol initially acts as a stimulant on the central nervous system.
虽说被划定为镇静剂,酒精最初却是被当作中枢神经系统的兴奋剂。
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