| 单词 | letdown |
| 释义 | letdown['letdaun]n. 减低, 减退, 松弛, 失望【化】 调漆 letdown let.down AHD: [lµt“doun”] D.J. [6let7da&n]K.K. [6lWt7da&n]n.（名词）1. A decrease, decline, or relaxation, as of effort or energy.放松，弛缓，衰落：努力或力量方面的减少、降低或放松2. A disappointment:失望、沮丧：The cancellation of the game was a real letdown.比赛取消真是令人失望3. The descent made by an aircraft in order to land.飞机的程序下降：飞机为了着陆而作的下降飞行 |
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