sad的名词形式

名词形式：sadness n. 悲哀；悲伤，悲痛；使人悲伤的事 I felt a deep sadness. 我感到深深的悲痛。 As the evening progressed, sadnessturned to rage. 随着夜晚的来临，悲伤变成了愤怒。 There was more than a hint of sadness in his voice. 他的声音中流露出了深切的悲伤。...