1. Warm milk is the ideal breeding ground for bacteria.
2. Potentially dangerous bacteria are regularly sent from one laboratory to another.
有潜在危险的细菌经常被从一个实验室传到另一个实验室。
3. The fertiliser releases nutrients gradually as bacteria decompose it.
4. Bacteria reproduce by dividing and making copies of themselves.
5. Chlorine is added to kill bacteria.
6. Once in the bloodstream, the bacteria adhere to the surface of the red cells.