double index dobby

例句：

1. 1. She was very interested in the Dobby sheep, which are known for their woolly coats.
   她对多比羊非常感兴趣，多比羊以其绒毛大衣而闻名。
2. 2. The Dobby sheep were used to produce some of the finest wool in the world.
   多比羊被用来生产世界上最好的羊毛之一。
3. 3.The Dobby sheep have become an important symbol of conservation efforts in Australia.
   多比羊已成为澳大利亚保护工作的一个重要象征。