They were sickened by the scenes of misery and degradation they found.目睹困苦、潦倒的景象，他们感到心里极不舒服。the degradation of being sent to prison被关进监狱的落泊境况There are serious problems of land degradation in some arid zones.在一些干旱地带存在严重的土...
Slow degradation of ground water quality may result from repeated use.循环使用地下水可以导致缓慢的水质降低.The point of degradation, due to attenuation or distortion, at which a signal becomes unusable.由于衰减或失真使得信号变得不能使用的那个退化点.Microbial de...