positive-negative action

英 [positive-negative action]
美 [positive-negative action]

中文释义

正负作用

单词分析

单词结构：

positive-negative action

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：positive-negative action
  • 核心含义：正负作用

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更新时间：2026-03-23 17:47:45