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Controlled - 只找到单语

placebo

[plə'si:bəu] 形容词

英语词库

placebo [plə'si:bəu] 形容词

An inactive drug or other intervention that is identical in appearance to a therapeutically active drug. In some clinical trials, researchers compare the effects of a placebo with those of an active drug under investigation to determine if the active investigational drug is effective. 亦见 placebo-controlled trial, placebo effect

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