a substance given to someone who is told that it is a particular medicine , either to make them feel as if they are getting better or to compare the effect of the particular medicine when given to others
发音
例句
1. The placebo has been found to work with a lot of different cases. 人们已发现安慰剂能在很多不同的病例中发挥作用。 2. The placebo effect refers to all the observable behaviors caused by placebo. 安慰剂效应是指由安慰剂所引起的可观察的行为。