in-orbit spare satellite

英 [in-orbit spare satellite]
美 [in-orbit spare satellite]

中文释义

轨道备份星

单词分析

单词结构：

in-orbit spare satellite

字母数：24

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🎯 重点记忆：

  • 单词拼写：in-orbit spare satellite
  • 核心含义：轨道备份星

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更新时间：2026-02-22 19:35:08