求用英语翻译“修筑长城最初是为了抵御北方游牧民族（nomadic groups）的入侵.”_英语解答

求用英语翻译“修筑长城最初是为了抵御北方游牧民族（nomadic groups）的入侵.”

人气：482 ℃　时间：2020-10-01 12:32:14

解答

At first, the Great Wall was built to defend against the attack by the northern nomadic tribes.