哮喘是一种支气管疾病，比花粉热（一种鼻道的过敏性炎症）要少见得多。
Asthma, a bronchial condition, is much less common ailment than hay fever, an allergic inflammation of the nasal passages.
氧化一氮是哮喘和其他肺疾病的表现，诸如慢性肺病、囊肿性纤维化和支气管扩张（气管的反常的变宽）。
Nitric oxide is asign of asthma and other lung diseases, such as chronic obstructive pulmonarydisease, cystic fibrosis and bronchiectasis (the abnormal widening of airways).
持续性或慢性咳嗽，如与抽烟，哮喘，慢性支气管炎或肺气肿的发生。
Persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema.
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