Objective: To study the effect of ondansetron(OND),a 5-HT 3 receptor antagonist, on morphine-induced conditioned place preference(CPP) in mice.是什么意思_Objective: To study the effect of ondansetron(OND),a 5-HT 3 receptor antagonist, on morphine-induced conditioned place preference(CPP) in mice.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句