名词
中文翻译：麻醉药
同义词：
['anesthesia', 'sedative']
例句：
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1. The doctor administered anesthesia before the surgery.
在手术前，医生给病人打了麻醉。
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2. Sedatives are used to treat insomnia and anxiety.
镇静剂用于治疗失眠和焦虑症。
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3. During the operation, she was given anesthesia to ensure she didn't feel any pain.
手术期间，她被给予了麻醉以确保她不会感到任何疼痛。