tetrahymena

例句：

1. 1.This species of tetrahymena is known for its unique ability to survive in extreme environments.
   这种四膜虫因其在极端环境中生存的独特能力而闻名。
2. 2. Researchers have been studying the behavior and life cycle of this tetrahymena species for decades.
   研究人员已经研究了这种四膜虫的习性和生命周期几十年了。
3. 3.The discovery of this tetrahymena species has sparked new interest in the study of microbial ecology.
   这种四膜虫的发现激发了对微生物生态学研究的新一轮兴趣。