(一般作 
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)
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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
连连失败,一再受挫
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Birmingham City are on a real downer. 伯明翰队的确是屡战屡败。
 
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)。
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downern.抑制药;镇静药;令人沮丧的经历;卧地不起的病牛;连连失败;一再受挫
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ownern.物主;所有人;船长
 
