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词汇 anthracite coal
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anthracite coal. Strictly speaking, anthracite coal, a hard, nearly pure carbon coal often used for heating, should be called anthracite, as anthracite comes directly from the Greek anthrax, meaning coal. To call it anthracite coal is a tautology: that is, coal coal or coal-like coal.
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更新时间:2025/8/26 20:29:49