depressant
depressantadjective- (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
noun- a depressant drug
镇静剂
■an influence that depresses economic or other activity
(对经济等活动的)压抑作用,抑制作用
higher taxation is a depressant.
提高税收有抑制作用。
考试词汇表