secondary classification

英 [secondary classification]
美 [secondary classification]

中文释义

[经] 二级分类

单词分析

单词结构：

secondary classification

字母数：24

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🎯 重点记忆：

  • 单词拼写：secondary classification
  • 核心含义：[经] 二级分类

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更新时间：2026-03-16 06:30:26