Bacterium putidum

例句：

1. 1. The putidum bacteria are responsible for the spoilage of food.
   放线菌是导致食物变质的原因。
2. 2.The researcher found that the putidum bacteria had a significant impact on the environment.
   研究人员发现放线菌对环境有显著影响。
3. 3. The putidum bacteria were isolated from a contaminated water source.
   从受污染的水源中分离出放线菌。