名词
中文翻译：硬膜外麻醉同义词
同义词：
['subarachnoid', 'epidural anesthesia']
例句：
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1. The doctor administered the epidural for her back surgery.
医生为她背部手术注射了硬膜外麻醉。
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2. She was given epidural anesthesia to numb her legs during the procedure.
她在接受手术时被给予了硬膜外麻醉，以麻木她的双腿。
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3. Epidural anesthesia is a painless method of administering medication directly into the spinal cord.
硬膜外麻醉是一种将药物直接注入脊髓的无痛方法。