1 N-COUNT (火炉、锅炉或熔炉的)调节风门,风挡 A damper is a small sheet of metal in a fire, boiler, or furnace that can be moved to increase or reduce the amount of air that enters. (火炉、锅炉或熔炉的)调节风门,风挡
2 N-COUNT (钢琴等乐器的)制音器,减音器 A damper is a device in a piano or similar musical instrument which makes the sound less loud by restricting the movement of the strings. (钢琴等乐器的)制音器,减音器
3 PHRASE 使扫兴;抑制 To put a damper on something means to have an effect on it which stops it being as enjoyable or as successful as it should be. 使扫兴;抑制 [informal]
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