及物动词

不及物动词

名词

1. 咳嗽
When you cough, you force air out of your throat with a sudden, harsh noise. You often cough when you are ill, or when you are nervous or want to attract someone's attention.

1. a sudden noisy expulsion of air from the lungs that clears the air passages
a common symptom of upper respiratory infection or bronchitis or pneumonia or tuberculosis

Synonym: coughing