Nitrosococcus

例句：

1. 1.Nitrosococcus is a bacterium that can convert nitrogen into ammonia.
   硝化细菌是一种可以将氮转化为氨的细菌。
2. 2. In the process of denitrification, Nitrosococcus plays an important role.
   在反硝化过程中，硝化细菌起着重要的作用。
3. 3.The study of Nitrosococcus has led to significant advances in biotechnology.
   对硝化细菌的研究已经使生物技术取得了重大进展。