Embolization is used to block the blood supply to an artery. It's a standard procedure.

栓塞术用来中断动脉的血液供应。这是普通的手术。

Ukraine cut off energy to Crimea and blocked supply shipments from its territory after the annexation.

在俄罗斯接管克里米亚后，乌克兰切断了克里米亚的能源供应，并封锁了来自乌克兰的物资供应。

The idea is to block off the blood supply to a small part of the kidney.

这项手术的原理是中断一小部分肾脏的血液供应。

Why would doctors need to or want to block off the blood supply to part of the kidney?

为什么医生需要或想要中断部分肾脏的血液供应？

DHT is essentially blocking the blood supply to your follicles.

DHT 实质上是阻断了毛囊的血液供应。