| 单词 | up in |
| 释义 | > as lemmasup in —— up in —— expert or versed, well informed or instructed, in a subject, matter, work, etc. colloquial.In frequent use from c1860.extracted from upadv.2< as lemmas |
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。