extragalactic matter
查询英语单词中文释义、音标、发音和例句。
extragalactic matter
英
[extragalactic matter]
美
[extragalactic matter]
中文释义
河外物质
单词分析
单词结构：
extragalactic matter
字母数：20
记忆提示
🎯 重点记忆：
- 单词拼写：extragalactic matter
- 核心含义：河外物质
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更新时间：2026-09-29 09:03:58