extragalactic object
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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:2026-08-27 13:52:12