oral inhaler

例句：

1. 1. This oral inhaler is very effective for treating asthma.
   这种口腔吸入器对治疗哮喘非常有效。
2. 2. The doctor recommended the patient to use this oral inhaler regularly.
   医生建议患者定期使用这种口腔吸入器。
3. 3. The patient was instructed to take the oral inhaler at bedtime to relieve his cough.
   患者被告知在睡前服用口腔吸入器以缓解咳嗽。