degrade
音標[di'greid]中文翻譯：
vt. (使)降級, (使)退化
vi. (使)降級, (使)退化
英文解釋：
動詞 degrade:
- reduce the level of land, as by erosion
- reduce in worth or character, usually verbally同義詞：take down, disgrace, demean, put down
- lower the grade of something; reduce its worth同義詞：cheapen
英文字典