placebo
n 安慰药（plac+ebo药品→平静的药→安慰药）
释义2：
placebo
/ plE5si:bEJ /
◙ (pl. -os)1. a pill, medicine, or procedure prescribed more for the psychological benefit to the patient of being given a prescription than for any physiological effect• （给病人提供心理作用的）安慰剂 a substance that has no therapeutic effect, used as a control in testing new drugs• （用于检测新药的）无效对照剂 (figurative)a measure designed merely to calm or please someone• [喻] 安慰措施；宽慰措施【语源】
1. late 18th cent.: from Latin, literally I shall be acceptable or pleasing', from placere 'to please'
俄语/英语字母转换