isolated essential singularity

例句：

1. 1.The isolated island is home to a uniquespecies of bird.
   这个孤立的岛屿上生活着一种独特的鸟类。
2. 2. Theessential ingredient in the recipeis salt.
   食谱中必不可少的成分是盐。
3. 3. The singularity of thisevent has sparked debate among experts.
   这一事件的独特性引发了专家之间的辩论。