hook junction

例句：

1. 1. The hook junction on the door is holding it shut.
   门上的钩形接头正在把门关上。
2. 2. The car's suspension system relies on a complex network of joints and connections.
   汽车的悬挂系统依赖于复杂的关节和连接网络。
3. 3.The new design uses a hinge instead of a joint to make the doors more flexible.
   新设计使用铰链而不是关节来使门更灵活。