primary petroleum

英 [primary petroleum]
美 [primary petroleum]

中文释义

初级石油

单词分析

单词结构：

primary petroleum

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：primary petroleum
  • 核心含义：初级石油

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更新时间：2026-04-10 09:24:23