Ala cristae galli

例句：

1. 1.The ram's horn was the most valuable part of the animal.
   公羊的角是动物最有价值的部分。
2. 2.She admired the beautiful horn of the deer.
   她羡慕鹿那美丽的角。
3. 3. The horns were used to mark ownership in ancient times.
   古代用角来标记所有权。