例句
We upgraded our old computer with a faster processor.
我们给旧电脑换上了更快的处理器。
Governments should upgrade ageing water systems to reduce waste and provide reliable supplies for growing urban populations.
政府应升级老旧供水系统，以减少浪费，并为不断增长的城市人口提供可靠供水。
常用搭配
- upgrade software｜升级软件
- upgrade to｜升级为
- a system upgrade｜系统升级
词形与相关词
upgradable (adj.)
用法提示
动词重音在后，名词重音在前。