degeneration
🇺🇸
/dɪˌdʒenəˈreɪʃn/
🇬🇧
/dɪˌdʒenəˈreɪʃn/
noun
R
the process of getting worse over time
The degeneration of his eyesight made it hard for him to read.
彼の視力の悪化は、読書を困難にした。
translation
悪化の過程
語形変化
Plural
degenerations