答：哮喘是一种慢性呼吸疾病，特征是呼吸急促和喘息反复发作。
A: Asthma is a chronic breathing disorder characterized by recurrent attacks of breathlessness and wheezing.
哮喘是一种慢性呼吸道疾病，以呼吸急促和喘息反复发作为特征。
Asthma is a chronic disease of the airways characterized by recurrent attacks of breathlessness and wheezing.
它是一种令人痛苦的，可复发性疾病，能带来心理痛苦，增加新生儿健康风险，使携带者易于感染另一种致死性更强的病毒HIV。
It is a painful, recurrent illness that causes psychological distress, raises health risks for newborns, and boosts the carrier's odds for a much more deadly virus, HIV.
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