twin-horn set

例句：

1. 1. This is a rare and valuable set of twin-horns, worth thousands of dollars.
   这是一套罕见的宝贵犀牛角，价值数千美元。
2. 2. The museum exhibits a collection of twin-horns from different species.
   博物馆展示了来自不同物种的双头犀牛角收藏。
3. 3. The collector was thrilled to find a rare twin-horn set in the auction.
   拍卖会上，收藏家惊喜地发现了一套稀有的双头犀牛角。