资料来源 : pyDict

为死者所诵的晚祷歌,宽心剂,安慰

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Placebo \Pla*ce"bo\, n. [L., I shall please, fut. of placere to
   please.]
   1. (R. C. Ch.) The first antiphon of the vespers for the
      dead.

   2. (Med.) A prescription intended to humor or satisfy.

   {To sing placebo}, to agree with one in his opinion; to be
      complaisant to. --Chaucer.

资料来源 : WordNet®

placebo
     n 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
     [also: {placeboes} (pl)]