singular cycle

例句：

1. 1. The scientist discovered a singular phenomenon in the universe.
   科学家在宇宙中发现了一种特殊的现象。
2. 2. The painting is so singular that it's hard to find another like it.
   这幅画如此独特，很难找到另一幅相似的。
3. 3. The unique characteristics of this species make it a rare and valuable resource.
   这种物种的独特特性使其成为稀有且宝贵的资源。