名词
中文翻译：注射者
同义词：
['injector', 'injector', 'injector']
例句：
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1.The doctor injected the patient with a painkiller.
医生给病人注射了止痛药。
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2.The nurse was instructed to inject the medication into the patient's vein.
护士被指示将药物注入病人的静脉。
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3.The pharmacist carefully checked the vial before injecting the medicine.
药剂师仔细检查了药瓶，然后才注射药物。