double ruling pen

英 [double ruling pen]
美 [double ruling pen]

中文释义

双曲线笔

单词分析

单词结构：

double ruling pen

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：double ruling pen
  • 核心含义： 双曲线笔

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更新时间：2026-03-16 22:11:20