Some medicines,like Prussian blue pills, can help expel radioactive elements from the body.

VOA: special.2011.03.30

The second context is the Franco-Prussian War, which you can read about in Chip Sowerwine's book.

第二个背景是普法战争,详情你们能从奇普·苏尔万的书中读到

耶鲁公开课 - 1871年后的法国课程节选

There is a wall around Paris and there are exterior forts, but you've got an enormous number of people besieged by Prussian and other German forces, holding on.

在巴黎外围高墙林立,堡垒遍地,但仍有大批民众,在普鲁士和其他德国军队的围攻中坚守阵地

耶鲁公开课 - 1871年后的法国课程节选

It looks so terribly different than anything like the Spanish palace outside of Madrid or anything that ever had anything to do with the Prussian kings and all that.

它不能与马德里的西班牙宫殿相比,而和普鲁士国王的风格,也是天壤之别

耶鲁公开课 - 欧洲文明课程节选

Boyars are the nobles; the Junkers are the Prussian nobles.

波雅尔指贵族 容克是普鲁士贵族

耶鲁公开课 - 欧洲文明课程节选