reflexive bronchoconstrictor

例句：

1. 1.This medication is a reflexive bronchoconstrictor that helps relieve asthma symptoms.
   这种药物是一种反射性支气管收缩剂，有助于缓解哮喘症状。
2. 2. The doctor prescribed this medication as a reflexive bronchoconstrictor to treat his patient's coughing fits.
   医生开处方药作为反射性支气管收缩剂来治疗他的患者的咳嗽发作。
3. 3. During an emergency, the patient was given a reflexive bronchoconstrictor to quicklyrelieve their breathing difficulties.
   在紧急情况下，患者被给予一种反射性支气管收缩剂以迅速缓解他们的呼吸困难。