extragalactic object

英 [extragalactic object]
美 [extragalactic object]

中文释义

河外天体

单词分析

单词结构：

extragalactic object

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：extragalactic object
  • 核心含义：河外天体

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更新时间：2026-02-02 06:00:36