名词中文翻译
中文翻译：麻醉药
同义词：
['narcotic', 'anemoic', 'narcotic drug']
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.He was given morphine as a pain reliever.
他因为疼痛被给予吗啡作为止痛药。
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3. Anesthesia is essential for maintaining a patient's comfort during surgery.
麻醉是维持患者在手术期间舒适所必需的。