Last Updated：2025/12/02
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Engineers analyzed samples of gold-copper ores from the new mine to determine extraction methods.
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Engineers analyzed samples of gold-copper ores from the new mine to determine extraction methods.
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Related words
gold-copper ores
Noun
form-of
plural
Japanese Meaning
「gold-copper ore」の複数形です。すなわち、金と銅を含む鉱石（金銅鉱石）を複数示す用法です。
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