自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-VAR 丢脸;（尤指）落泊,堕落 You use degradation to refer to a situation, condition, or experience which you consider shameful and disgusting, especially one which involves poverty or immorality.
They were sickened by the scenes of misery and degradation they found...
She described the degradations she had been forced to suffer.
N-UNCOUNT 恶化;变糟;衰退 Degradation is the process of something becoming worse or weaker, or being made worse or weaker.
I feel this signals the degradation of American culture.
N-UNCOUNT (土地或环境的)退化 The degradation of land or of the environment is the process of its becoming damaged and poorer, for example because of the effects of pollution, industry, and modern agricultural methods.
There are serious problems of land degradation in some arid zones.
...the accelerating degradation of our planet's natural environment.
N-UNCOUNT 降解 In science, the degradation of a substance is the process of its breaking down into its separate parts or elements.
...the degradation of salicylic acid in plants.