up on 同义词
- abreast, au courant, au fait
英文释义: 形容词 being up to particular standard or level especially in being up to date in knowledge; "kept abreast of the latest developments"; "constant revision keeps the book au courant"; "always au fait on the latest events"; "up on the news"
翻译和释义
- up on 英文释义：being up to particular standard or level especially in being up to date in knowledge; "kept abreast of the latest developments"; "constant revision keeps the book au courant"; "always au fait on the latest events"; "up on the news"
- up on 中文翻译：熟悉, 精通
