placebo
美 [pləˈsiboʊ]英 [pləˈsiːbəʊ]
- n.安慰剂；晚祷悼声[丧歌]；安慰剂效应
复数：placebos 复数：placeboes
placeboplacebo
1.安慰剂，安慰药（给无实际治疗需要者或试验药物时用）a substance that has no physical effects, given to patients who do not need medicine but think that they do, or used when testing new drugs