permanent light source

英 [permanent light source]
美 [permanent light source]

中文释义

永久光源

单词分析

单词结构：

permanent light source

字母数：22

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🎯 重点记忆：

  • 单词拼写：permanent light source
  • 核心含义：永久光源

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更新时间：2026-01-25 11:46:17