Last Updated：2025/11/21
Sentence
地質学者たちは、先カンブリア時代の地層を調べて、初期生命の起源や地球の古代大気を理解しようとしています。
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Geologists study Precambrian formations to understand the origins of early life and the planet's ancient atmosphere.
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Geologists study Precambrian formations to understand the origins of early life and the planet's ancient atmosphere.
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Related words
Precambrian
Proper noun
Japanese Meaning
前カンブリア時代：地球の形成（約46億年前）から、硬い殻を持つ生物の出現（約5億4100万年前）までの期間を指す地質時代。
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