operational stage

英 [operational stage]
美 [operational stage]

中文释义

= concrete operational stage

单词分析

单词结构：

operational stage

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：operational stage
  • 核心含义：= concrete operational stage

最近查询：

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更新时间：2025-12-25 20:34:49