backup battery

英 [backup battery]
美 [backup battery]

中文释义

备用电源,备份电源

单词分析

单词结构：

backup battery

字母数：14

记忆提示

🎯 重点记忆：

  • 单词拼写：backup battery
  • 核心含义：备用电源,备份电源

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更新时间：2026-01-29 08:26:41