placebo
英[pləˈsiːbəʊ]
美[pləˈsiːboʊ]
柯林斯高阶英汉双解学习词典释义
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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
行业词典