placebo

[pləˈsiːbəʊ] [pləˈsiːboʊ]
  • 复数:placebos;
  • 相关单词 placebos
    例句
    英语四级真题
    • To find out, researchers gave 11 volunteer cyclists a carbohydrate solution either with a moderate dose of caffeine,  which is known to stimulate the central nervous system, or as a placebo without, during 3 hours of cycling.
      2017年6月四级真题(第三套)阅读 Section A
    柯林斯高阶英汉双解学习词典释义
    • N-COUNT
      (用于测试新药效力的)无效对照剂;(用以安慰想象自己得病的人的)安慰剂
      A placebo is a substance with no effects that a doctor gives to a patient instead of a drug. Placebos are used when testing new drugs or sometimes when a patient has imagined their illness.
    英英词典释义
    • Noun
      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
    行业词典
    • 医学: 无效〔对照〕剂:只是象征性满足病人对药物治疗的需求,但无作用的物质或制剂,用于对照研究以确定药物的效力。也指相同目的的没有实际治疗价值的做法;
      心理学: 安慰剂;