iliococcygeal muscle

例句：

1. 1.The study found that the iliococcygeal muscle plays a crucial role in sexual pleasure.
   研究发现，阴蒂肌肉在性快感中起着至关重要的作用。
2. 2. The doctor advised her to exercise regularly to strengthen the iliococcygeal muscle.
   医生建议她定期锻炼以加强阴蒂肌肉。
3. 3.During intercourse, the iliococcygeal muscle is stretched and activated, causing intense pleasure for both partners.
   性交过程中，阴蒂肌肉被拉伸并激活，为双方带来强烈的快感。