1. An abdominal hernia occurs when an internal organ or tissue pushes through a weakened area in the abdominal wall.
腹部疝气是指内脏器官或组织从腹壁的薄弱部位突出出来。

2. Surgery is often necessary to repair a hernia and alleviate symptoms.
通常需要进行手术修复疝气并缓解症状。