primary contamination

英 [primary contamination]
美 [primary contamination]

中文释义

初级污染

单词分析

单词结构：

primary contamination

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：primary contamination
  • 核心含义：初级污染

最近查询：

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更新时间：2026-02-10 23:14:53