trace impurities

英 [trace impurities]
美 [trace impurities]

中文释义

微量杂质

单词分析

单词结构：

trace impurities

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：trace impurities
  • 核心含义： 微量杂质

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更新时间：2026-01-28 05:41:51