triatic

例句：

1. 1.The fossils found in the triangular-shaped rock are a fascinating example of prehistoric life.
   在三角形状的岩石中发现的化石是远古生命一个引人入胜的例子。
2. 2. The discovery of triatomic molecules has revolutionized our understanding of chemical bonding.
   发现三原子分子已经彻底改变了我们对化学键的理解。
3. 3. Triticum is a common grain crop that is used to make bread and pasta.
   小麦是一种常见的谷物作物，用于制作面包和意大利面。