名词
中文翻译：麻醉剂
同义词：
['anesthesia', 'sedative', 'narcotic']
例句：
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1.He was given anesthesia before the surgery.
他在手术前接受了麻醉。
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2.The patient was sedated during the procedure.
患者在手术过程中被镇静了。
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3.Narcotic drugs are highly addictive and can lead to addiction.
麻醉药物具有很强的成瘾性，可能导致成瘾。