emergency back-up fuel

英 [emergency back-up fuel]
美 [emergency back-up fuel]

中文释义

[化] 应急燃料

单词分析

单词结构：

emergency back-up fuel

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：emergency back-up fuel
  • 核心含义：[化] 应急燃料

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更新时间：2026-02-05 05:56:35