1. downer

1. 镇定剂：downdrift 往下漂流 | downer 镇定剂 | downfall 衰败

2. downer

2. 令人沮丧的人：downdraught 倒灌风 | downer 令人沮丧的人 | downfall 没落

3. 停工 断纸停机：down-ender翻卷机 | downer停工 断纸停机 | downfaultedbasin断陷盆地

1. 镇静剂;安眠药
    Downers are drugs that make you feel sleepy or very calm.

    e.g. She was taking uppers and downers at the time.
           她那时在服用兴奋剂和抑制剂。

2. 令人悲伤(或沮丧)的情景
    If you describe a situation as a downer, you think that it is very depressing.

    e.g. For divorced people, Christmas can be a downer.
           对离异的人来说，圣诞节令人感伤。

1. a drug that reduces excitability and calms a person

    Synonym: sedativesedative drugdepressant