​nomadic tribes 游牧民族

xiongnu is a  Nomadic tribes

nomadic常见释义

英[nəʊˈmædɪk]

美[noʊˈmædɪk]

词典

move about in search of pasture;rove around as a nomad;nomadism;

例句

北非游牧民族图瓦雷克（Touareg）人会让8、9岁的男孩去照料一只幼年骆驼。

At 8 or 9 years old, boys among the Touareg, a nomadic people in North Africa, get a baby camel to care for.