be well up on

英 [be well up on]
美 [be well up on]

中文释义

对 ... 消息灵通

单词分析

单词结构：

be well up on

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：be well up on
  • 核心含义：对 ... 消息灵通

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更新时间：2026-01-06 05:44:18