請將下面這段話翻譯成英文：

　　西域都護府

　　公元前60年，為了管理統(tǒng)一后的西域，西漢在烏壘城(今輪臺縣境內(nèi))建立西域都護府，正式在西域設官、駐軍、推行政令。漢宣帝任命鄭吉為第一任西域都護，西域都護是漢王朝中央政府派遣管理西域的最高軍政長官。西域都護府的設立，標志著西域正式納入漢朝的版圖，中央政權(quán)在這里開始行使主權(quán)。

　　參考譯文

　　Commandery of Western Regions

　　In 60 B.C., the Western Han Dynasty established the Commandery of Western Regions in Wulei (now Luntai county). Its purpose was to administrate the unified region, appoint officials, station troops, and enforce decrees. Emperor Xuan of the Han Dynasty appointed Zheng Ji as the first commanding officer. The establishment of the administrative division symbolized the formal incorporation of western regions into Han Dynasty territory, and the central government began exercising sovereignty there.

　　相關推薦：2017年12月英語六級翻譯題庫匯總（367篇）