anaerobic organisms

例句：

1. 1.Anaerobic bacteria can break down organic matter in the absence of oxygen.
   厌氧细菌可以在没有氧气的情况下分解有机物质。
2. 2.The anaerobic digestion process is used to treat wastewater.
   厌氧消化过程用于处理废水。
3. 3. In a closed system, anaerobic conditions can lead to the growth of harmful microorganisms.
   在封闭系统中，厌氧条件可能导致有害微生物的生长。