anal disc

例句：

1. 1. The doctor performed a thorough examination of the patient's anal disc.
   医生对患者的肛门盘进行了彻底的检查。
2. 2.The patient had to undergo surgery to remove the anal disc tumor.
   患者不得不接受手术，以切除肛门盘肿瘤。
3. 3.The anal disc is a crucial part of the digestive system that helps with the movement of food through the body.
   肛门盘是消化系统的一个关键部分，它有助于食物通过身体。