名词
中文翻译：麻醉
同义词：
['anesthesia', 'anesthetize', 'sedation', 'narcosis']
例句：
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1. The patient was given a local anesthetic to numb the area before surgery.
在手术前，病人接受了局部麻醉以麻木该区域。
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2. The doctor administered an anesthetic to ensure the patient's comfort during the procedure.
医生给病人注射了麻醉药以确保患者在手术过程中的舒适。
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3. Narcotics are drugs that can cause addiction and dependence, so they must be used with caution.
麻醉剂是一种可能导致成瘾和依赖的药物，因此必须谨慎使用。