secondary isotope

英 [secondary isotope]
美 [secondary isotope]

中文释义

二级同位素

单词分析

单词结构：

secondary isotope

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：secondary isotope
  • 核心含义：二级同位素

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更新时间：2026-02-04 06:29:12