公元前2世纪以前居住在中国西北部、后迁徙到中亚地区的游牧部族。在中国先秦时代的古籍中，或译作禺知、禺氏、牛氏等，后来也有译作月支的。
公元前138年，汉武帝派张骞出使大月氏部落，请求他们帮助对抗经常来犯的匈奴。
In 138 BC, Han Wudi sent Zhang Qian to the Yue-chi people to ask for their help against the Xiongnu who often infringed them.
当张骞最后到达北印度的大月氏部落时，他失望地发现他们不想与匈奴人作战。
When Zhang finally reached the Yue-chi in the North India, he was disappointed to find that they didn't want to fight against the Xiongnu people.
贵霜帝国是由大月氏西迁中亚以后建立的，与两汉时代的中国关系密切。
Kushan Empire is established by Darouzhi after it migrated westward to central Asia, and it had close relation with han Dynasty.
应用推荐