lock-and-key protection system

英 [lock-and-key protection system]
美 [lock-and-key protection system]

中文释义

锁－钥匙保护系统

单词分析

单词结构：

lock-and-key protection system

字母数：30

记忆提示

🎯 重点记忆：

  • 单词拼写：lock-and-key protection system
  • 核心含义：锁－钥匙保护系统

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更新时间：2026-02-03 22:55:31