caeco-

例句：

1. 1.The caeco- is a fascinating creature that has been studied for decades.
   这种生物是令人着迷的，已经研究了几十年。
2. 2. The caeco- is a mysterious creature that has fascinated scientists for centuries.
   这种生物是神秘的，已经吸引了几个世纪的科学家的注意。
3. 3.The caeco- is a fascinating creature that has been studied for decades.
   这种生物是令人着迷的，已经研究了几十年。