round-the-clock emergency system

英 [round-the-clock emergency system]
美 [round-the-clock emergency system]

中文释义

日夜应急系统

单词分析

单词结构：

round-the-clock emergency system

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：round-the-clock emergency system
  • 核心含义：日夜应急系统

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更新时间：2026-02-02 19:48:26