衰退,堕落,退化( degenerate的过去式和过去分词 );

An evaluating index system is established for degenerated estuarine ecosystem restoration.
摘要建立了退化河口生态系统恢复评价指标体系.
来源:互联网摘选Some programs on television have degenerated into weary repetitions of each other.
某些电视节目愈来愈糟,沉闷乏味,相互雷同.
来源:词典精选例句She would have degenerated. But because this was a slow process , taking time, it passed unnoticed.
但那毁是慢慢的,因为很需要一些日子, 所以谁也不去注意.
来源:汉英文学 - 中国现代小说The debate degenerated into farce when opposing speakers started shouting at each other.
双方辩手开始朝对方大喊,辩论变成了一场闹剧.
来源:《简明英汉词典》Figure 9-1 : Degenerated articular cartilage and torn meniscus of the knee.
图9-1:膝关节退化的软骨和撕裂的半月板.
来源:互联网摘选Year after year, the duck's wings degenerated and couldn't fly any more.
就这样一年又一年, 鸭子的翅膀退化了,再也飞不起来.
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