placebo

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

1.安慰物,安慰剂,宽心话

2.晚祷悼声[丧歌]

3.安慰剂效应

1.a substance that is not medicine but that a patient who is taking it believes is medicine, and so they get better; a substance that is not a medicine, used as a standard of comparison in testing the effectiveness of a new medicine