tripedal

例句：

1. 1. The horse was a tripedal, with three legs and one head.
   这匹马是三头马，有三只腿和一只头。
2. 2. The tripedal species is rare and has only been observed in a few locations.
   这种三头马物种很罕见，只在少数几个地方被发现。
3. 3. The tripedal equine has a unique appearance that distinguishes it from other horses.
   这种三头马的外貌独特，与其他马匹不同。