相关单词近義詞 dummy 傀儡, palliative 減輕的, control 掌控, try-on 試穿, sample 樣品臨近詞placement, place, placebo group, placebo tablet, placebo effect, placebo factor, placebo action, placebo reactor, placebo control, placebo effects, placebo capsule, placebo therapy 返回 placebos