parts per million carbon

英 [parts per million carbon]
美 [parts per million carbon]

中文释义

百万分率碳

单词分析

单词结构：

parts per million carbon

字母数：24

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🎯 重点记忆：

  • 单词拼写：parts per million carbon
  • 核心含义：百万分率碳

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更新时间：2025-12-07 22:54:32