primary grinding stone

英 [primary grinding stone]
美 [primary grinding stone]

中文释义

粗磨石

单词分析

单词结构：

primary grinding stone

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：primary grinding stone
  • 核心含义：粗磨石

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更新时间：2026-03-25 08:04:50