damper

英文解釋：

名詞 damper:

1. a movable iron plate that regulates the draft in a stove or chimney or furnace
2. a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
   同義詞：muffler
3. a depressing restraint

形容詞 damp:

1. slightly wet
   同義詞：damp, dampish, moist

相關句子：

1. Mary's absence cast a damper over the party.
   瑪麗缺席使晚會為之掃興。
2. Rain put a damper on our picnic plans.
   大雨阻止了我們的野餐計畫