adj.〈解〉硬(腦)膜上的；硬腦膜外的
Epidurals are now often used during childbirth. 現(xiàn)在分娩時常用硬膜外注射。
Some mothers choose to have an epidural when giving birth. 有的母親分娩時選擇硬膜外麻醉。
In three cases,the epidural infusion was combined with the general anesthetic. 有三例患者，在他們體內使用了硬膜外麻醉與全身麻醉同時應用。
