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secondary signal system

英 [secondary signal system]
美 [secondary signal system]

中文释义

第二信号系统

单词分析

单词结构:

secondary signal system

字母数:23

记忆提示

🎯 重点记忆:

  • 单词拼写:secondary signal system
  • 核心含义:第二信号系统

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更新时间:2025-12-19 15:04:16

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