positive and negative effects

英 [positive and negative effects]
美 [positive and negative effects]

中文释义

正负作用

单词分析

单词结构：

positive and negative effects

字母数：29

记忆提示

🎯 重点记忆：

  • 单词拼写：positive and negative effects
  • 核心含义： 正负作用

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更新时间：2026-01-31 19:54:55