parabolic pencil

英 [parabolic pencil]
美 [parabolic pencil]

中文释义

抛物线束

单词分析

单词结构：

parabolic pencil

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：parabolic pencil
  • 核心含义：抛物线束

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更新时间：2026-01-07 02:45:34