For a period of 24 weeks, half of the sample was treated with 20 mg daily of fluoxetine (Prozac) while the other half received a placebo.是什么意思_For a period of 24 weeks, half of the sample was treated with 20 mg daily of fluoxetine (Prozac) while the other half received a placebo.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句