purified standard materials

英 [purified standard materials]
美 [purified standard materials]

中文释义

标准纯物质

单词分析

单词结构：

purified standard materials

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：purified standard materials
  • 核心含义：标准纯物质

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更新时间：2025-12-22 20:23:18