musculus pubovaginalis

例句：

1. 1.The muscle in the buttocks is responsible for supporting the weight of the body.
   臀部的肌肉负责支撑身体的重量。
2. 2.The muscle in the abdomen helps to control the movement of the diaphragm.
   腹部的肌肉有助于控制膈肌的运动。
3. 3. The muscles in the legs are important for walking and running.
   腿部的肌肉对于行走和跑步非常重要。