purified protein derivative standard

英 [purified protein derivative standard]
美 [purified protein derivative standard]

中文释义

标准精制结核菌素

单词分析

单词结构：

purified protein derivative standard

字母数：36

记忆提示

🎯 重点记忆：

  • 单词拼写：purified protein derivative standard
  • 核心含义：标准精制结核菌素

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更新时间：2026-02-20 22:22:07