degradedadj.被贬低的；堕落的动词degrade的过去式和过去分词.degradev.降格；使屈辱；贬低；退化；降解Degraded alpine grasslands退化高寒草地degraded biological remains降解生物检材Degrade descending pressure分级递阶降压degrade pollutants of water污水净化degrade molecules into atoms将分子降解为原子.degraded alpine cold meadows退化高寒草地degraded Hidden Markov Model死亡补助费degraded successional series退化演替序列degraded humus carbonate soil退化腐殖质碳酸盐土degraded mountainous grassland退化山地草地