retrogress
retrogress[ˌrɛtrə(ʊ)ˈgrɛs]verb- [no obj.]go back to an earlier state, typically a worse one
倒退,退化,衰退,恶化
she retrogressed to the starting point of her rehabilitation.
她的病情退化到恢复初期时状况。
语源- early 19th cent.: from retro- 'back', on the pattern of the verb progress
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