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.”
问题描述:
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.”
答
At first, the Great Wall was built to defend against the attack by the northern nomadic tribes.