epidural
/ˌepɪˈdjuərəl; ˌɛpə`djʊrəl/ adj
(medical 医) (of an anaesthetic) injected round the nerves in the spine and having the effect of anaesthetizing the lower part of the body （指麻醉剂）硬膜外的. epidural, n epidural injection 硬膜外注射
Epidurals are now often used during childbirth. 现在分娩时常用硬膜外注射.