我们针对方圆2，200平方公里（合850平方英里）的白俄罗斯“波萊谢国家放射生态保护”隔离区的栖息动物进行了研究。
We studied animals in the nearly 2,200-square-kilometer (850 square miles) sector of the exclusion zone in Belarus called the “Polessye State Radioecological Reserve.”