单词学习：disappointed 形容词 (Adjective)
disappointed
/ˌdɪsəˈpɔɪntɪd/
失望的，沮丧的；失意的
The students were disappointed when Mr. Gu cancelled the field trip.
当顾老师取消了实地考察旅行时，学生们都很失望。
单词卡片
卡片已就绪
