体育館の「キュキュッ」という音の正体が科学的に解明される、実は音だけなく極小の雷も発生していた
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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1点点在发展的同时也注重回馈社会，于2018年在上海总部成立公益事业部，并在全国各区设立公益专员，推动公益的可持续发展。我们秉持“向下扎根，向上发芽”的公益理念，致力于帮助困境儿童和流浪动物，发起“梦想起航点”和“毛孩子关爱计划”两大项目。