nasal side

例句：

1. 1. The doctor advised him to keep his nasal passages open.
   医生建议他保持鼻腔通畅。
2. 2. The nasal passages are lined with tiny hairs that help filter out dust and pollen.
   鼻腔内布满细小的毛发，帮助过滤掉灰尘和花粉。
3. 3. The patient was given a medication to clear his nasal passages.
   病人被开了药来清理他的鼻腔。