And sometimes when there's a displaced fracture like that, it can put pressure on arteries, therefore cut off circulation.

有时当出现这样的移位骨折时，它会对动脉施加压力， 从而切断血液循环。

He's saying that it's fractured but then also dislocated, which, incorrect terminology, you would say displaced fracture, which means that the bones don't connect.

他说它骨折了， 然后又脱臼了，这是不正确的术语， 你会说移位骨折，这意味着骨头没有连接。