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virgin coal
virgin coal
英
[virgin coal]
美
[virgin coal]
中文释义
未开采的煤层;煤柱
单词分析
单词结构:
virgin coal
字母数:11
记忆提示
🎯 重点记忆:
单词拼写:virgin coal
核心含义:未开采的煤层;煤柱
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更新时间:2026-01-31 23:17:57