secondary barrier

英 [secondary barrier]
美 [secondary barrier]

中文释义

[医]次级屏蔽物

单词分析

单词结构：

secondary barrier

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：secondary barrier
  • 核心含义： [医]次级屏蔽物

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更新时间：2025-12-07 21:44:42