Last Updated：2025/12/04
Sentence
地質学者たちは湖底の地層でウォルデン周期の複数形に相当するいくつかの事象を特定し、数千年にわたる周期的な気候変動を示唆した。
Quizzes for review
Geologists identified distinct Walden cycles in the lakebed layers, suggesting periodic climate variations over millennia.
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Geologists identified distinct Walden cycles in the lakebed layers, suggesting periodic climate variations over millennia.
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