名词
中文翻译：外部注射
同义词：
['external infusion', 'external administration', 'external application']
例句：
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1. The doctor administered an external injection to treat the patient's pain.
医生给病人注射了外部药物来治疗疼痛。
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2. During the surgery, an external injection was used to numb the area.
手术期间，使用了外部注射来麻醉该区域。
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3.The medication was administered through an external injection.
药物通过外部注射方式给予。