| 释义 | 
		degeneration美 [dɪˌdʒenə'reɪʃn]  英 [dɪˌdʒenə'reɪʃn]  n. deterioration,collapse,disintegration,worsening,relapse 1.  | 蜕化;衰退;堕落the process of becoming worse or less acceptable in quality or condition  |  
  | social/moral degeneration 社会倒退;道德沦丧  |   | Intensive farming in the area has caused severe degeneration of the land. 这个地区的集约化农业使得土壤严重贫瘠化。  |  
 n.  | 1. the process of becoming physically, morally, or mentally worse 2. a disease process that causes a gradual deterioration in the structure of a body part with a consequent loss of the ability to function 3. the gradual loss of the biological function, specialization, or adaptation of a part of the body over many generations  |  
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