hard-and-fast rule

英 [hard-and-fast rule]
美 [hard-and-fast rule]

中文释义

硬性规则

单词分析

单词结构：

hard-and-fast rule

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：hard-and-fast rule
  • 核心含义：硬性规则

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更新时间：2026-02-03 13:57:51