degrade
翻译
使...退化, 贬低, 使...降解
例句
This pollution will degrade the water quality.
这种污染会降低水质。
He would never degrade himself by cheating.
他绝不会通过作弊来贬低自己。
The plastic will slowly degrade over time.
这种塑料会随着时间的推移而慢慢降解。
语法模式
((sth./sb.)) 贬低（某人/某物），使（某物）退化 He felt they were trying to degrade him.
近义词
同义词: demean (贬低), cheapen (使掉价), deteriorate (恶化); 反义词: improve (改善), enhance (提高), praise (赞扬)
词源
源自拉丁语 'de-' (向下) + 'gradus' (等级，步)。意思是“降低一级”。
记忆技巧
“de-grade”某人就是把他当作等级或级别较低的人来对待。对于材料，则意味着其质量等级下降。