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请输入您要查询的英文单词：
单词
up on
释义
up on
汉语翻译
熟悉, 精通
英语解释：
形容词 up on:
being up to particular standard or level especially in being up to date in knowledge
同义词：abreast, au courant, au fait
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英语词典包含435040条英汉在线翻译词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/1/14 19:52:50