degeneration

/dɪˌdʒɛnəˈɹeɪʃən/ 名词 C1

中文：恶化、退行、退化

The process or state of growing worse, or the state of having become worse. (countable, uncountable)
That condition of a tissue or an organ in which its vitality has become either diminished or perverted; a substitution of a lower for a higher form of structure. (uncountable) · fatty degeneration of the liver
Gradual deterioration, from natural causes, of any class of animals or plants or any particular organ or organs; hereditary degradation of type. (uncountable)
A thing that has degenerated. (countable)

复数 degenerations

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