ndb

英 [ndb]
美 [ndb]

中文释义

abbr. new domestic boiler 新民用锅炉; new donkey boiler 新辅助锅炉; national development bond(ing) 国家发展债券; non directional beacon 非定向灯塔

单词分析

单词结构：

ndb

字母数：3

记忆提示

🎯 重点记忆：

  • 单词拼写：ndb
  • 核心含义：abbr. new domestic boiler 新民用锅炉; new donkey boiler 新辅助锅炉; national development bond(ing) 国家发展债券; non directional beacon 非定向灯塔

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更新时间：2025-12-10 07:16:19