英语语法分析

Cardiac orifice mucosal laceration and oozing of blood were 73.9%, but without perforation and massive hemorrhage.

贲门黏膜撕裂、渗血占73.9%，但无穿孔和大出血。

Under general anesthesia or periotic nerve block anesthesia, 56 patients of auricle laceration underwent microsurgical debridement.

56例耳廓挫裂伤患者，在全麻或耳周神经阻滞麻醉下行显微清创缝合。

He had a laceration on his head.

他头上也有一道口子。