bowel movement

例句：

1. 1. After eating too much meat, she felt her bowel movement was heavy and uncomfortable.
   吃太多肉后，她觉得排便很沉重且不舒服。
2. 2.The doctor advised him to drink plenty of water and avoid constipation.
   医生建议他多喝水，避免便秘。
3. 3. She had a sudden urge to go to the bathroom and experienced a severe case of diarrhea.
   她突然想去洗手间，并经历了一次严重的腹泻。