secondary obligation

英 [secondary obligation]
美 [secondary obligation]

中文释义

次级义务

单词分析

单词结构：

secondary obligation

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：secondary obligation
  • 核心含义：次级义务

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更新时间：2026-03-13 10:44:37