trigonodont

例句：

1. 1.The trigonodont fossils found in the cave are a testament to the ancient life of our planet.
   在洞穴中发现的三棱齿兽化石证明了我们星球古代的生命。
2. 2. Trigonodonts were known for their sharp teeth and ability to hunt prey.
   三棱齿兽以其锋利的牙齿和狩猎能力而闻名。
3. 3.The discovery of trigonodonts in the Amazon rainforest has sparked new research into their evolution.
   亚马逊雨林中发现的三棱齿兽引发了对它们进化的新研究。