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.
哮喘是一种慢性病，以呼吸困难和喘息反复发作为特征，其严重程度和发作频率因人而异。
Asthma is a chronic disease characterized by recurrent attacks of breathlessness and wheezing, which vary in severity and frequency from person to person.
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.
相比很少吃苹果的母亲，那些在孕期好吃苹果的母亲所生的孩子，患喘息或哮喘的几率小。
Children whose mothers ate the most apples were less likely to have experienced wheeze or asthma than those whose mothers had the lowest apple consumption.
相比很少吃苹果的母亲，那些在孕期好吃苹果的母亲所生的孩子，患喘息或哮喘的几率小。
Children whose mothers ate the most apples were less likely to hae experienced wheeze or asthma than those whose mothers had the lowest apple consumption.
产前使用抗生素与儿童喘息/哮喘的风险：一项荟萃分析。
Prenatal antibiotic use and risk of childhood wheeze/asthma: A meta-analysis.
MAS患儿在宫内已致敏，其发生喘息时下呼吸道阻塞更严重，为儿童哮喘的发生埋下了隐患。
MAS infants have been sensitized in utero, exacerhating lower respiratory tract obstruction when breathing, that become a hidden danger to the occurrence of asthma in children.
在过去的4周内，您怎么常常哮喘症状（喘息、咳嗽、呼吸急促、胸闷或疼痛），你起来之后，晚上或提前在早上?。
During the past 4 weeks , how often did your asthma symptoms (wheezing, coughing, shortness of breath, chest tightness or pain) wake you up at night or earlier than usualin the morning?
结论：异丁司特缓释胶囊是一种安全有效的治疗支气管哮喘和慢性喘息性支气管炎的药物。
Conclusion: Ibudilast su stained-release capsule is an effective agent for treatment of asthma or chronic asthmatic bronchitis.
支气管哮喘是以反复发作的喘息、呼吸困难、胸闷或咳嗽等为证候特点的一类呼吸道疾病。
Asthma is a refractory disease associated with chronic bronchial inflammation, whose syndromes are recurrent grasp, dyspnea, stuff chest of cough, then even orthopnea.
支气管哮喘是以反复发作的喘息、呼吸困难、胸闷或咳嗽等为证候特点的一类呼吸道疾病。
Asthma is a refractory disease associated with chronic bronchial inflammation, whose syndromes are recurrent grasp, dyspnea, stuff chest of cough, then even orthopnea.
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