(一般作 downers)a depressant or tranquillizing drug, especially a barbiturate 抑制药,镇静药(尤指巴比妥类药物)
a dispiriting or depressing experience or factor 令人沮丧的经历(或因素) the thought of the danger his son was in put something of a downer on the situation. 想到他儿子面临的危险让他多少觉得情况有些令人沮丧。 ■a period of consistent failure 不断的失利(或挫折),一再遇挫 Birmingham City are on a real downer. 伯明翰队的确是一再遇挫。
a cow or other animal which has fallen down and cannot get to its feet unaided 卧地不起的病畜