four fundamental rules

英 [four fundamental rules]
美 [four fundamental rules]

中文释义

四则运算

单词分析

单词结构：

four fundamental rules

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：four fundamental rules
  • 核心含义：四则运算

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更新时间：2026-01-30 06:45:33