notched sill

• 齿槛

notched sill的用法和样例：

例句

1. It is formed by the caudal edge of the lateral crus of the lower lateral cartilage, the soft tissue alae, the membranous septum, and the sill of the nostril.
   它是由下外侧软骨外侧脚尾侧端，软组织翼，膜性鼻中隔和鼻孔槛共同构成。