| 释义 |
let·down AHD[lĕtʹdoun'] D.J.[ˈletˌdaʊn]K.K.[ˈlɛtˌdaʊn]n.（名词）- 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
- 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
- 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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