
小学生が河原で拾った石、実は半世紀ぶり発見の希少構造持つ石だった東大・早大の研究者と論文の共著者に
When a sixth-grade student investigated a 'just a stone' she picked up at the riverbank, it was found to have a very rare structure.
- 公開日
- レベル
- N2
When a sixth-grade student investigated a 'just a stone' she picked up at the riverbank, it was found to have a very rare structure.
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