library security system

英 [library security system]
美 [library security system]

中文释义

图书馆安全系统

单词分析

单词结构：

library security system

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：library security system
  • 核心含义：图书馆安全系统

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更新时间：2026-01-23 15:31:35