英语语法分析

The superior labial artery originates form the columellar artery, which courses up the columella to the region between the domes.

由上唇动脉起源形成鼻小柱动脉，其沿鼻小柱走行至穹窿间部位。

Nose shape was substantially symmetrical, the alae of the nose recovery is not obvious, columellar position located in the middle of the face.

鼻外形左右基本对称，鼻翼外形恢复不明显，鼻小柱位于面部正中位置。