downer
/ˈdaʊnə(r)/noun
informal <非正式>
1
- （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）。
2
- 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。
2.1
- a period of consistent failure连连失败, 一再受挫：
Birmingham City are on a real downer.
伯明翰队的确是屡战屡败。
3
- a cow or other animal which has fallen down and cannot get to its feet unaided卧地不起的病牛（或其他病畜）。