in ernal nasal branches

例句：

1. 1.The in ernal nasal branches are responsible for the flow of air through the nose.
   内鼻分支负责通过鼻子的空气流动。
2. 2.During sleep, the in ernal nasal branches dilate to allow more oxygen into the body.
   在睡眠时，内鼻分支扩张以允许更多的氧气进入身体。
3. 3. A cold can cause congestion and swelling in the in ernal nasal branches.
   感冒可能导致鼻腔内充血和肿胀。