uniquely defining class

例句：

1. 1.This uniquely defining class of birds is known for their distinctive songs.
   这种独特定义的鸟类以其独特的鸣叫声而闻名。
2. 2. The uniquely defining characteristics of this species make it stand out from others.
   这种物种的独特定义特征使其与众不同。
3. 3. In the field of genetics, there are many different types of organisms that can be classified as uniquely defining classes.
   在遗传学领域，有许多不同类型的生物可以被认为是独特定义的类别。