breeches joint

例句：

1. 1.The doctor examined the patient's knee and found a breeches joint problem.
   医生检查了患者的膝盖，发现有裤裆关节问题。
2. 2. The boy was wearing a pair of jeans with a breeches joint in the back.
   那个男孩穿着一条带有后裤裆关节的牛仔裤。
3. 3. The dancer performed a difficult move that required a good understanding of the breeches joint.
   舞者表演了一个需要很好地理解裤裆关节的动作。