obligation well

英 [obligation well]
美 [obligation well]

中文释义

[经] 义务井

单词分析

单词结构：

obligation well

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：obligation well
  • 核心含义：[经] 义务井

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更新时间：2026-01-15 02:16:50