Cách sử dụng
The word 'contaminate' means to make something dirty or impure by adding harmful or unwanted substances. For example, if you drop a piece of trash in a lake, you are contaminating the water with pollutants. Or, if you touch a wound with dirty hands, you could contaminate the wound and cause an infection. We use this word when talking about things that should be clean or pure, like water or food, and how they can become harmful if they are contaminated."