downers怎么读

She was taking uppers and downers at the time.她那时在服用兴奋剂和抑制剂。Now it's too late - I'm on a 1000 downers now, I'm drowsy.但现在一切都晚了,我吃了1000片镇定药....

n.镇定剂，令人沮丧的人( downer的名词复数 )...