Last Updated：2025/11/23
Sentence
鉱物学者は現地調査で、銀・銅・鉄・アンチモン・ヒ素を含む立方晶の複雑な硫砒塩鉱物を鉱石標本から同定した。
Quizzes for review
The mineralogist identified freibergite in the ore sample during the field survey.
See correct answer
The mineralogist identified freibergite in the ore sample during the field survey.
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