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单词 mineral coal
释义

mineral coal

/ˈmɪn(ə)rəl ˌkəʊl/ /ˈmɪn(ə)r(ə)l ˌkəʊl/
Now chiefly historical
noun
Native or mined coal, as distinct from charcoal. Also: †a variety of coal in which there are no traces of plant structure (obsolete ).

Origin

Late 18th century; earliest use found in Thomas Jefferson (1743–1826), revolutionary politician and president of the United States of America. From mineral + coal.

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更新时间:2024/12/23 10:17:48