英语高频词 #24 ｜ 2022-10-21

grad，gree，gress 级；步；走

1. upgrade

(noun) 升级。(transitive verb) 使升级；提拔；改善

[记] up-（向上）+ grad（级）+ e --> 逐级向上 --> 升级

[用] no need for an upgrade 无须提升

[用] upgrade a system 升级系统

[派] upgradation (noun) 升级，改善

[近] promote (transitive verb) 提升

2. graduate

(noun) 毕业生；学士学位获得者。(transitive verb) 毕业

[记] grad（级）+ u + -ate（名词后缀）--> 完成某一阶段最高级学业的人 --> 毕业生

[用] a high school graduate 高中毕业生

[用] a graduate in history 历史学学士

[派] graduation (noun) 毕业

[派] graduated (adjective) 分等级的