despondent和disappointment有何不同？

despondent n. 沮丧

disappointment n. 1.失望;扫兴,沮丧[U]
He left the station in great disappointment, for she wasn't on the train.
他极其失望地离开了火车站,因为她不在火车上。
2.使失望的人;令人扫兴的事[C]
The picnic was a disappointment.
那次野餐真令人扫兴

despondent是形容词。a. 丧气的,没有精神的
He is despondent over his illness.
他对自己的病情感到灰心。

disappointment名词。n. 失望
To my disappointment, my father doesn't agree to buy me a new bike.
我父亲不同意给我买新脚踏车, 我很失望。

Very good!