nasal injection

例句：

1. 1. The doctor administered a nasal injection to relieve her symptoms.
   医生给她注射了鼻腔药物以缓解症状。
2. 2.During the operation, the nurse injects medication into the patient's nasal passages.
   在手术过程中，护士将药物注入患者的鼻腔通道。
3. 3.This medicine is given as a nasal injection to prevent colds and flu.
   这种药以鼻腔注射的形式提供，用于预防感冒和流感。