“要让这片丛林成为果园，”他无比兴奋地说。"Orchards would take the place of the jungle," he rhapsodized.回顾此事，我会无比地开心。I will look back at this one with undiluted pleasure.这种出乎意料的形势变化让他们无比震惊。They were horrified at this unexpected turn of event...
黑药和镁的混合物具有离析的倾向.Mixture of black powder and magnesium have a tendency to segregate.1814年,他首次报道了关于镁的毒性问题.One of the first reports on toxicity of magnesium was recorded by him in 1814.在施用硝酸盐 、 硫酸盐和氯化物的情况下会加速钙和镁的损失.Losses o...