at one's finger tips

英 [at one's finger tips]
美 [at one's finger tips]

中文释义

了如指掌

单词分析

单词结构：

at one's finger tips

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：at one's finger tips
  • 核心含义： 了如指掌

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更新时间：2026-02-02 13:35:00