East Prussian was an exclave of Germany.东普鲁士原先是德国的飞地.These opacities are prooved to be iron - containing substances by Prussian blue stain.普鲁士蓝染色证实为含铁之色素.A Prussian blue iron stain demonstrates the blue granules of hemos...
The Prussian garrison at Charleroi was falling back.普鲁士驻沙勒罗瓦的部队正在撤退。It was the Prussian officers that provided the cement.把他们紧密地结合起来的,是普鲁士的军官.He accepted the offer to become a professor at the Prussian Academy of Science...