down
grade
第三人称
downgrades
现在进行时
downgrading
过去式
downgraded
过去完成时
downgraded
1
降级, 降低质量
to lower the rank, status, or quality of something
及物动词
- Continuous neglect can downgrade the overall condition of a building.
持续的忽视可能会降低建筑物的整体状况。
- Economic challenges may lead to a decision to downgrade a country's credit rating.
经济挑战可能导致决定下调一个国家的信用评级。
- Companies may downgrade a product if it fails to meet quality standards.
如果产品不符合质量标准，公司可能会降级它。
- Environmental degradation can downgrade the health of an ecosystem.
环境退化可能会降低生态系统的健康。
反义词：