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.
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A tram derailed and crashed into a building in Milan on Friday, killing two people and injuring 38 others.。下载安装 谷歌浏览器 开启极速安全的 上网之旅。对此有专业解读
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