backup battery
查询英语单词中文释义、音标、发音和例句。
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：2026-09-20 06:53:49