| 词组 | up on something, be |
| 释义 | be up on (something)To have the most current knowledge about a particular subject or issue; to be up to date on (something). Make sure you're up on this account before our meeting tomorrow morning. I'm not too up on the policy changes happening this year—is there a reference guide I can consult? up on something, beBe well informed or up-to-date about something, as in I'm not up on the latest models of cars. [Colloquial] |
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英语词组固定搭配大全包含354030条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。