placer iron

英 [placer iron]
美 [placer iron]

中文释义

砂铁

单词分析

单词结构：

placer iron

字母数：11

记忆提示

🎯 重点记忆：

  • 单词拼写：placer iron
  • 核心含义：砂铁

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更新时间：2026-01-15 02:44:31