ultrasonic pen pointer

英 [ultrasonic pen pointer]
美 [ultrasonic pen pointer]

中文释义

超声指示笔

单词分析

单词结构：

ultrasonic pen pointer

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：ultrasonic pen pointer
  • 核心含义：超声指示笔

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更新时间：2026-03-10 08:27:58