Placebo treatment安慰剂治疗
placebo reactor安慰剂反应者
Placebo addict米娃小摇把
Placebo o安慰剂;无效对照药
placebo tablet安慰剂片
placebo detail安慰效
Placebo needle安慰针
Our aims are to study caffeine and/or placebo expectation as countermeasures for the effects of 30h sleep deprivation on 400m altitude, and to study two caffeine doses as countermeasures for the effects of 30h sleep deprivation on 2850m altitude.
一本研究旨在探讨咖啡因和／或咖啡因安慰剂的期望效应在海拔400m（在研究中称“平原”）对抗30h SD的效果，以及不同剂量咖啡因在海拔 2850m（在研究中称“高原勺对抗 30h SD的效果。
参考来源 - 咖啡因和/或安慰剂对抗30小时睡眠剥夺效果的实验研究N-COUNT（可数名词） A placebo is a substance with no chemical 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. (无药用效果的)安慰剂