Last Updated：2025/12/01
Sentence
科学者たちは、現在の群島をつないでいた可能性のある原始大陸にかつて属していたと見られる堆積物を地図化した。
Quizzes for review
Scientists mapped sediments that may once have belonged to the ur-continent that connected the present-day archipelagos.
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Scientists mapped sediments that may once have belonged to the ur-continent that connected the present-day archipelagos.
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Related words
ur-continent
Noun
Japanese Meaning
原大陸（すべての大陸の起源とされる、初期の大陸） / 原初大陸（最初に形成されたとされる大陸） / パンゲア（地質時代に存在したすべての陸地が一つにまとまった大陸）
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