2024年12月23日 星期一 新京报
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Continue reading...。关于这个话题，夫子提供了深入分析
Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00544-6
He had persuaded his science teacher to help him make a makeshift rocket. Somehow, he had managed to get his hands on the ingredients for gunpowder - potassium nitrate, sulphur and charcoal.