pelvis nimis parva

例句：

1. 1. The doctor examined the patient's pelvis to determine the cause of his pain.
   医生检查了患者的骨盆以确定他疼痛的原因。
2. 2.During childbirth, the pelvis is the part of the body that opens to allow the baby to pass through.
   在分娩过程中，骨盆是身体的一部分，它打开以便让婴儿通过。
3. 3. Pelvic floor exercises are recommended for women who have had a cesarean section.
   推荐给进行过剖腹产的女性做盆底肌肉锻炼。