1、The rectum is the final portion of the digestive system where feces is stored before being expelled from the body.
直肠是消化系统的最后部分，在粪便从体内排出之前贮存粪便的地方。
2、Problems with the rectum can lead to difficulty with bowel movements and can require medical intervention.
直肠问题可能导致排便困难，并可能需要医学干预。