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单词 coal reserve
释义

coal reserve

noun
1A lode, seam, etc., of unmined coal; specifically the amount of coal which is known to await extraction in a particular district.
2A quantity of mined and stored coal that has not yet been distributed or used.

Origin

Mid 19th century; earliest use found in The Janesville Gazette.

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更新时间:2024/9/23 20:28:43