adj.〈解〉硬(脑)膜上的；硬脑膜外的
Epidurals are now often used during childbirth. 现在分娩时常用硬膜外注射。
Some mothers choose to have an epidural when giving birth. 有的母亲分娩时选择硬膜外麻醉。
In three cases,the epidural infusion was combined with the general anesthetic. 有三例患者，在他们体内使用了硬膜外麻醉与全身麻醉同时应用。
