dejections

After failing the exam, he sat in dejection for hours.

用法提示：dejection 作为不可数名词，表示沮丧、消沉的状态。

She tried to hide her dejection after the team lost the match.

用法提示：dejection 在句中作宾语，指因失败而产生的低落情绪。

A sense of dejection settled over the office when the project was canceled.

用法提示：dejection 与 a sense of 连用，表示弥漫的沮丧氛围。