在农场里，有许多种羊。种类众多，可能有数百种甚至更多。羊的种类大多数是按照用途分类的，如奶羊，肉羊和毛羊。还有其他的分类方法，如按照地区或品种来划分。
来源：羊是哺乳动物的一类，其中包括山羊，绵羊和其他品种。羊被人类饲养已有数千年的历史，被用于肉食，皮毛，奶制品等。
英文例句：
The farm has a variety of sheep, including milk sheep, meat sheep, and wool sheep.
There are many different types of sheep on the farm, classified by their use or by their breed.
Sheep have been domesticated by humans for thousands of years, and are used for meat, wool, and milk products.
中文翻译：
农场里有各种羊，包括奶羊，肉羊和毛羊。
农场里有许多不同种类的羊，按照用途或品种分类。
羊被人类饲养已有数千年的历史，被用于肉食，皮毛和奶制品。
来源：羊是哺乳动物的一类，其中包括山羊，绵羊和其他品种。羊被人类饲养已有数千年的历史，被用于肉食，皮毛，奶制品等。
英文例句：
The farm has a variety of sheep, including milk sheep, meat sheep, and wool sheep.
There are many different types of sheep on the farm, classified by their use or by their breed.
Sheep have been domesticated by humans for thousands of years, and are used for meat, wool, and milk products.
中文翻译：
农场里有各种羊，包括奶羊，肉羊和毛羊。
农场里有许多不同种类的羊，按照用途或品种分类。
羊被人类饲养已有数千年的历史，被用于肉食，皮毛和奶制品。