degeneration/dɪˌdʒenəˈreɪʃn; dɪˌdʒɛnə`reʃən/ n[U](a) process of degenerating 堕落、 恶化、 退化的过程 Ageing is accompanied by a slow degeneration of his mental faculties. 他随著年纪增长, 智力逐渐衰退.(b) state of being degenerate 堕落; 恶化; 退化.
牛津英汉双解词典