drooping croup

例句：

1. 1. He had a severe asthma attack and needed immediate medical attention.
   他得了严重的哮喘病发作，需要立即就医。
2. 2.The child was coughing and wheezing after being exposed to polluted air.
   这个孩子在暴露于污染空气后咳嗽和喘息。
3. 3. The doctor prescribed medication for his asthma and advised him to avoid triggers like smoke and dust.
   医生为他开了哮喘药，并建议他避免烟雾和尘埃等触发因素。