material contamination

英 [material contamination]
美 [material contamination]

中文释义

材料污染

单词分析

单词结构：

material contamination

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：material contamination
  • 核心含义：材料污染

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更新时间：2025-12-08 04:10:39