anaerobic bacteria

例句：

1. 1. Anaerobic bacteria can break down organic matter in the environment.
   厌氧细菌可以分解环境中的有机物质。
2. 2. The study of anaerobic digestion is important for waste treatment.
   厌氧消化的研究对于废物处理非常重要。
3. 3. Anaerobic conditions are necessary for the growth of certain types of bacteria.
   某些类型的细菌需要厌氧条件才能生长。