sealed radioactive material

英 [sealed radioactive material]
美 [sealed radioactive material]

中文释义

密封放射性材料

单词分析

单词结构：

sealed radioactive material

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：sealed radioactive material
  • 核心含义：密封放射性材料

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更新时间：2026-02-05 01:49:03