名词
中文翻译：注射器循环
同义词：
['injection', 'infusion', 'perfusion']
例句：
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1. The doctor injected the patient with a drug to treat his pain.
医生给病人注射了一种药物来治疗他的疼痛。
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2. During surgery, the surgeon used an infusion to deliver medication to the patient's bloodstream.
在手术期间，外科医生使用一种输液来将药物输送到患者的血液循环中。
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3. Perfusion is the process of delivering oxygen and nutrients to tissues in the body.
灌注是向身体组织输送氧气和营养物质的过程。