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au fait的英文翻譯是什么意思，詞典釋義與在線翻譯：
英英釋義
Adjective:
-
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"
au fait的用法和樣例：
例句
- It's my first week here so I'm not yet au fait with the system.
我剛來不到一個星期，對這里的制度還不太熟悉。
