obligation insurance

英 [obligation insurance]
美 [obligation insurance]

中文释义

债券保险

单词分析

单词结构：

obligation insurance

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：obligation insurance
  • 核心含义：债券保险

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更新时间：2026-01-20 07:16:13