名词
中文翻译：Unknown
同义词：
['injection', 'injection', 'inject', 'puncture', 'squirt']
例句：
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1. The doctor gave her an injection of painkillers.
医生给她注射了止痛药。
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2. The nurse injects the patient with insulin.
护士给病人注射胰岛素。
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3. He punctured the skin with a needle and injected the medicine.
他用针头刺破皮肤，将药物注入。