a medical condition of the chest that makes breathing difficult 哮病；哮喘 a severe asthma attack 哮喘严重发作 We have thousands of asthma cases a year. 我们每年接诊的哮喘病例达数千起。 children who develop asthma 出现哮喘的儿童
Oxford Collocations Dictionaryadjective- severe
- acute
- chronic
- …
- have
- suffer from
- develop
- …
- attack
- symptoms
- sufferer
- …
Word Originlate Middle English: from medieval Latin asma, from Greek asthma, from azein ‘breathe hard’.