secondary safety mec
查询英语单词中文释义、音标、发音和例句。
secondary safety mechanism
英
[secondary safety mechanism]
美
[secondary safety mechanism]
中文释义
辅助安全机构
单词分析
单词结构:
secondary safety mechanism
字母数:26
记忆提示
🎯 重点记忆:
- 单词拼写:secondary safety mechanism
- 核心含义:辅助安全机构
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更新时间:2026-09-21 10:19:14