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