backup safety system
查询英语单词中文释义、音标、发音和例句。
backup safety system
英
[backup safety system]
美
[backup safety system]
中文释义
用安全系统
单词分析
单词结构:
backup safety system
字母数:20
记忆提示
🎯 重点记忆:
- 单词拼写:backup safety system
- 核心含义:用安全系统
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更新时间:2026-09-01 07:15:56