By heating food, you can kill bacteria.

Please heat the meal.

I go to the supermarket every day to buy fresh food.

This bacterium is resistant to antibiotics.

He used a spray to kill the bug.

He was arrested on suspicion of that murder.

Retort food is very convenient and has a long shelf life.

Archaebacteria are one of the oldest life forms on Earth.

He is an expert in bacteriology.

He is a world-renowned bacteriologist.