circumstellar nebula

英 [circumstellar nebula]
美 [circumstellar nebula]

中文释义

拱星星云

单词分析

单词结构：

circumstellar nebula

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：circumstellar nebula
  • 核心含义：拱星星云

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更新时间：2026-01-31 18:21:39