Last Updated：2025/11/20
Sentence
古生物学者は砂岩に埋まった漸新世の化石を調べた。
Quizzes for review
The paleontologist examined the Oligocene fossils embedded in the sandstone.
See correct answer
The paleontologist examined the Oligocene fossils embedded in the sandstone.
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Related words
Oligocene
Adjective
not-comparable
Japanese Meaning
オリゴセーン期：古第三紀のパレオゲン期に属し、約3400万年前から2300万年前にかけての地質学上の時代。温暖な気候下で生物の急速な進化が特徴です。
English - English
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