n.（给无实际治疗需要者的）安慰剂( placebo的名词复数 )，安慰物，宽心话，（试验药物用的）无效对照剂...

But comparable numbers of those who received placebos also improved.但是吃安慰剂的人的病情也改善了.Yes doctors, at least doctors in Chicago occasionally purposely prescribe placebos.是的,医生, 至少是芝加哥的医生们偶尔会特意开药方安慰剂.Others said they had ord...

placebos的音标：...