英语语法分析

Careful restraint or sedation or even anaesthesia is necessary to prevent damage during otoscopy.

使用耳镜检查时，注意限制动物的活动，必要时给予麻醉剂。

Almost all otogenic brain abscesses have chronic suppurative otorrhea (present in this case on subsequent otoscopy), and more than half have a cholesteatoma.

几乎所有的耳源性的脑脓肿都有慢性的化脓性的耳漏，并且超过一半的有胆脂瘤。