involutional / ˌɪn vəˈlu ʃə nl /

📖毕业后词汇渐进式渐进式的渐进的牵连的

involutional 的 2 个定义

adj. 形容词 adjective
  1. of, relating to, or characteristic of involutional melancholia: involutional symptoms.
n. 名词 noun
  1. a person with involutional melancholia.