broach out的用法和样例：
例句
- These features have proven useful for establishing the correct diagnosis or ruling out alimentary tract duplication where surgery was indicated anyway.
另一新生儿则是因乙状结肠肠胃道复制畸形的穿孔并发腹膜炎而死亡。 - The esophageal squamous epithelium here is from a sharply demarcated "punched out" ulcer from Herpes simplex virus infection.
单纯疱疹病毒感染的食管鳞状上皮处形成了境界清楚的溃疡穿孔。
