请将下面这段话翻译成英文:
河曲马
河曲马是中国的一种名马,原产中国甘肃、青海、四川3省交界处,已有1300多年的历史。因其分布区处在黄河河曲地带,所以被命名为"河曲马"。河曲马挽力强,速力中等,能持久耐劳,对高寒多变的气候环境有较强的适应能力,采食牧草范围广,尤其在枯草季节,能食各类杂草,各季残草。
参考译文
Hequ Horse
Hequ Horse, a kind of famous horse in China native to the border between Gansu, Qinghai and Sichuan provinces with a history of more than 1300 years. Because its distribution area is in the Hequ areas of the Yellow River, this kind of horse is named Hequ Horse. Besides strong pulling power, medium speed and better adaptability to the serious cold and changeable climate, Hequ Horse is able to endure hard work and feeds on a wide range of forage. Especially in the hay season, it can feed on all kinds of weeds and the residual grass in all seasons.