superficial transverse muscle of perineum

例句：

1. 1.The surgeon performed a delicate operation on the patient's perineum.
   外科医生对患者的会阴部位进行了一项精细的操作。
2. 2.During childbirth, the perineum is the area where the muscles of the body meet at the pubic bone.
   分娩期间，会阴是身体肌肉在骨盆骨处交汇的区域。
3. 3. The perineum is an important part of the human body that supports and protects the genital organs.
   会阴是人类身体的一个重要部分，它支撑并保护着生殖器官。