名詞 placebo:

1. an innocuous or inert medication; given as a pacifier or to the control group in experiments on the efficacy of a drug
2. (Roman Catholic Church) vespers of the office for the dead

pla.ce.bo

n.（名詞）
【復(fù)數(shù)】 pla.ce.bos 或 pla.ce.boes

Medicine A substance containing no medication and prescribed or given to reinforce a patient`s expectation to get well.
【醫(yī)學(xué)】 安慰劑：一種不含藥性的制劑，開(kāi)給病人僅僅為加強(qiáng)他康復(fù)的希望
An inactive substance or preparation used as a control in an experiment or test to determine the effectiveness of a medicinal drug.
無(wú)效對(duì)照劑：一種無(wú)影響的物質(zhì)或制劑，用來(lái)控制試驗(yàn)或確定藥物的有效程度
Something of no intrinsic remedial value that is used to appease or reassure another.
安慰的話，寬心的話：某些沒(méi)有內(nèi)在補(bǔ)救作用的東西，僅僅用來(lái)安慰他人
[plô-ch3.bô] Roman Catholic Church The service or office of vespers for the dead.
[plô-ch3.bô] 【羅馬天主教】 為死者做的晚禱

來(lái)源：
Middle English
中古英語(yǔ)
from Late Latin placôbô [I shall please (the first word of the first antiphon of the service)]
源自 后期拉丁語(yǔ) placôbô [我愿意（這是唱贊美詩(shī)前說(shuō)的第一句詩(shī)的第一個(gè)詞）]
first person sing. future tense of Latin placôre [to please] * see pl3k-
拉丁語(yǔ) placôre的第一人稱單數(shù)將來(lái)時(shí) [高興] *參見(jiàn) pl3k-