certificate of profi
查询英语单词中文释义、音标、发音和例句。
certificate of proficiency in survival craft
英
[certificate of proficiency in survival craft]
美
[certificate of proficiency in survival craft]
中文释义
救生艇有效证书
单词分析
单词结构：
certificate of proficiency in survival craft
字母数：44
记忆提示
🎯 重点记忆：
- 单词拼写：certificate of proficiency in survival craft
- 核心含义：救生艇有效证书
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更新时间：2026-09-21 08:50:59