piriform opening的用法和樣例：
例句
- Additionally, the accessory cartilages connect each lateral crus to the piriform aperture.
此外，附件軟骨將外側腳與梨狀孔相連。 - A transition zone of bony thickness exists along the frontal processes of the maxilla from the piriform aperture to the radix along the lateral nasal wall.
在上頜骨額突從梨狀孔向鼻根沿鼻腔外側壁走行過程中存在著一骨厚度移行區。
