milk goat

例句：

1. 1.The milk goats are very friendly and easy to handle.
   这些牛奶山羊非常友好，容易饲养。
2. 2.The milk goats produce a rich and creamy milk that is popular in many countries.
   这些牛奶山羊产的奶质丰富、口感醇厚，在许多国家都很受欢迎。
3. 3. The milk goats are often used for their milk production, which is a valuable source of nutrition.
   牛奶山羊常用于产奶，其奶是营养丰富的重要来源。