hydrogen line

英 [hydrogen line]
美 [hydrogen line]

中文释义

氢线

单词分析

单词结构：

hydrogen line

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：hydrogen line
  • 核心含义：氢线

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更新时间：2026-02-07 03:40:43