economical efficiency

英 [economical efficiency]
美 [economical efficiency]

中文释义

经济效果[效率]

单词分析

单词结构：

economical efficiency

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：economical efficiency
  • 核心含义：经济效果[效率]

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更新时间：2025-12-26 21:00:10