upgrade
/ˌʌpˈɡreɪd/
v.
一句话记住
升级;提升;改善
释义与例句
v.
升级;提升;改善
to improve the quality, performance, or level of equipment, a service, or a system
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The hospital plans to upgrade its emergency facilities.
这家医院计划改善急诊设施。
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You can upgrade your account to gain more storage space.
你可以升级账户以获得更多存储空间。
展开其余 1 条例句
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The railway line was upgraded to allow faster trains.
这条铁路线经过升级改造,以运行速度更快的列车。
词源与构词
记忆钩子
upgrade to 后接更高版本或更高等级的服务;update 则强调把资料或版本更新到最新状态。
词族与关联词
词族(同一词根派生出的不同词性或形式)
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upgradable 可升级的形容词,表示设备、软件或系统以后可以提升配置或版本;也可见 upgradeable 拼写。
同义词
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improve 改善;提高improve 是通用的改善;upgrade 特指通过更换、改造或提高版本来提升设备、设施或服务的等级。The council wants to improve conditions for cyclists. 市政委员会希望改善骑行者的出行条件。
反义词
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downgrade 降级;降低标准upgrade 指提高等级或性能;downgrade 指降低等级、评价或标准。The agency downgraded the country's credit rating. 该机构下调了这个国家的信用评级。
易混词(形近或义近,注意区别)
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update 更新;提供最新信息update 强调内容或版本保持最新;upgrade 强调性能、配置或等级提高。软件 update 不一定构成明显的 upgrade。The database is updated with new records every night. 数据库每晚都会用新记录更新。
常见搭配
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upgrade a system 升级系统The company upgraded its computer system to handle more users. 公司升级了计算机系统,以支持更多用户。
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upgrade to 升级到……We decided to upgrade to a faster internet service. 我们决定升级到速度更快的网络服务。
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upgrade facilities 改善设施;升级设备The school used the grant to upgrade its science facilities. 学校利用这笔拨款升级了科学教学设施。