常见例句雙語例句Regional anesthesia is used to block pain in a large area of the body.區域麻醉使身躰比較大的區域免於疼痛。Regional anesthesia is used to block pain in a large area of the body.區域阻滯用於阻滯大麪積的部位的止痛。 返回 regional block anesthesia