Cách sử dụng
Bronchitis is a medical condition that affects the breathing tubes in your lungs called bronchi. It causes inflammation and irritation, making it harder to breathe. You might get bronchitis from a cold or flu, or from breathing in air pollution, smoke, or other irritants. To use the word bronchitis, you can say "I have bronchitis" if you are feeling sick and having trouble breathing, or "My friend has bronchitis" if you are talking about someone you know who is sick. It's important to see a doctor if you think you have bronchitis so you can get the right treatment to help you feel better.