长角牛

例句：

1. 1. The longhorn cattle graze in the vast grasslands.
   长角牛在广阔的草原上放牧。
2. 2. The longhorn cattle are known for their strong horns and enduring lifespans.
   长角牛以其强壮的角和持久的生命而闻名。
3. 3. The longhorn cattle are an important source of protein for farmers in the region.
   长角牛是该地区农民蛋白质的重要来源。