obligatory course

英 [obligatory course]
美 [obligatory course]

中文释义

必修课

单词分析

单词结构：

obligatory course

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：obligatory course
  • 核心含义：必修课

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更新时间：2026-02-14 10:54:07