research and development aircraft

英 [research and development aircraft]
美 [research and development aircraft]

中文释义

研究发展型飞机

单词分析

单词结构：

research and development aircraft

字母数：33

记忆提示

🎯 重点记忆：

  • 单词拼写：research and development aircraft
  • 核心含义：研究发展型飞机

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更新时间：2025-12-08 21:30:37