(chiefly of a drug)reducing functional or nervous activity
(多指药物)抑制机能(或神经)活动的,镇静的。
a depressant drug
镇静剂,镇静药。
an influence that depresses economic or other activity
(对经济等活动的)压抑作用,抑制作用
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higher taxation is a depressant 提高税收有抑制作用。