n. 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
v. exhale abruptly, as when one has a chest cold or congestion
词态变化
过去式:coughed
现在分词:coughing
复数形式:coughs
第三人称单数:coughs
过去分词:coughed
常见例句
1
any medicine used to suppress or relieve coughing
2
n acute lung injury characterized by coughing and rales
