Last Updated：2025/11/22
Sentence
何年もの研究の後、科学者たちは、以前は不毛だった高原が実際に耕作可能であることを確認した。
Quizzes for review
After years of research, the scientists confirmed that the previously barren plateau was indeed cultivable.
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After years of research, the scientists confirmed that the previously barren plateau was indeed cultivable.
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