external nose的用法和样例：
例句
- The external nasal valve exists at the level of the inner nostril.
外鼻阀位于鼻孔内侧面。 - The external nasal valve is an occasional site of obstruction in rhinoplasty patients, particularly in secondary patients with a pinched alae deformity.
在鼻整形病人中偶见因外鼻阀的原因引起鼻阻塞，特别是在那些鼻尖夹捏畸形修复的病例中。
