unguiculata

例句：

1. 1. The skeleton of the ungulate is characterized by a hump on its back.
   反刍动物的骨架特点是背部有驼峰。
2. 2. The ungulates are herbivores that feed on grass and other plants.
   反刍动物是食草动物，以草和其他植物为食。
3. 3. The ungulates are an important group of mammals, including cows, sheep,and goats.
   反刍动物是一类重要的哺乳动物，包括牛、羊和山羊。