first officer

英 [first officer]
美 [first officer]

中文释义

n. （海军）大副

单词分析

单词结构：

first officer

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：first officer
  • 核心含义：n. （海军）大副

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更新时间：2026-02-21 16:26:48