Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00374-6
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.，更多细节参见Line官方版本下载
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sum += candidate.weight。关于这个话题，搜狗输入法2026提供了深入分析