primary energy sources

英 [primary energy sources]
美 [primary energy sources]

中文释义

一次能源

单词分析

单词结构：

primary energy sources

字母数：22

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🎯 重点记忆：

  • 单词拼写：primary energy sources
  • 核心含义：一次能源

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更新时间：2025-12-10 12:42:17