a drug that causes temporary loss of bodily sensations
双语例句
Indiscriminate screening often reeals abnormalities that fail to hae any releance to either the surgery or the choice of anesthetic agent or technique. 繁杂的检查往往会发现不正常的结果，导致不能进行任何手术选择，麻醉药物选择和麻醉操作。
Contraindications include infection in the lumbar area, clotting defect, active neurologic disease, sensitivity to the anesthetic, hypovolemia, and septicemia. 禁忌症包括腰部感染，凝血障碍，运动神经疾病，麻醉药物过敏，低血容量和败血症。
