常见例句双语例句Objective: To observe the effect of 3% Purslane and oto-endoscopic operation on Cholesteatoma Tympani .目的：探讨采用耳内镜手术配合3%马齿笕溶液冲治疗胆脂瘤型中耳炎的效果。 返回 cholesteatoma tympani