spontaneous coal
查询英语单词中文释义、音标、发音和例句。
spontaneous coal
英
[spontaneous coal]
美
[spontaneous coal]
中文释义
[矿物] 自燃煤
单词分析
单词结构：
spontaneous coal
字母数：16
记忆提示
🎯 重点记忆：
- 单词拼写：spontaneous coal
- 核心含义：[矿物] 自燃煤
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更新时间：2026-09-02 00:23:19