oxhorn

例句：

1. 1.The farmer used the oxhorn to carve a beautiful sculpture.
   农民用牛角雕刻了一件美丽的雕塑。
2. 2. The old man kept his oxhorn as a memento of his long life.
   老人把他的牛角作为他长寿的象征保留了下来。
3. 3. The oxhorn was found in a cave in the mountains, and it's believed to be over 10,000 years old.
   这个牛角在山中的一个洞穴里被发现，据信已经存在超过一万年了。