coalbed
查询英语单词中文释义、音标、发音和例句。
coalbed
英
[coalbed]
美
[coalbed]
中文释义
煤层
单词分析
单词结构:
coalbed
字母数:7
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- 单词拼写:coalbed
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更新时间:2026-09-21 04:21:34