以上来源于: WordNet
N-UNCOUNT Asthma is a lung condition that causes difficulty in breathing. 哮喘
She says there is no information to explain in detail why tobacco smoke causes behavioral problems in children with asthma.
VOA: special.2009.01.13
It has been more than two years since he has been to a hospital emergency room because of asthma.
VOA: special.2009.07.28
The report estimates that there may be an additional one hundred million people with asthma by the year two thousand twenty-five.
VOA: special.2009.07.28
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