Last Updated：2025/11/25
Sentence
地質学者は、形成過程を解明するためにその熱水鉱床中のケイ酸類を分析した。
Quizzes for review
Geologists analyzed the silicic acids in the hydrothermal deposit to understand its formation.
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Geologists analyzed the silicic acids in the hydrothermal deposit to understand its formation.
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