sealed radioactive source

英 [sealed radioactive source]
美 [sealed radioactive source]

中文释义

密封放射源

单词分析

单词结构：

sealed radioactive source

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：sealed radioactive source
  • 核心含义：密封放射源

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更新时间：2026-03-16 09:10:09